Zucchini Muffins with Cinnamon Chocolate are the kind of homemade treat that makes baking with vegetables feel completely irresistible. Tender grated zucchini keeps every bite exceptionally moist, while brown sugar, Greek yogurt, olive oil, and warm cinnamon create a soft bakery-style crumb. The real highlight is a ribbon of dark chocolate tossed with cinnamon, tucked through the center and scattered over the top. These muffins are simple enough for everyday baking but special enough for brunch, dessert, or a sweet afternoon snack.
Inspired by Justine Doiron’s original recipe, this version preserves the clever techniques that make these muffins work so well: keeping the zucchini moisture, using yogurt for tenderness, and finely chopping the chocolate before coating it with cinnamon.
Table of Contents
Why These Zucchini Muffins with Cinnamon Chocolate Work
A good zucchini muffin should be moist without feeling wet or heavy. These Zucchini Muffins with Cinnamon Chocolate achieve that balance by combining several moisture-rich ingredients rather than relying on zucchini alone.
Fresh zucchini contributes natural water as it bakes. Greek yogurt or skyr adds richness and tenderness, while extra-virgin olive oil keeps the crumb soft even after the muffins have cooled. Using both granulated and dark brown sugar gives the muffins sweetness along with subtle caramel and molasses notes.
Then there is the cinnamon chocolate. Instead of simply mixing ordinary chocolate chips throughout the batter, finely chopped dark chocolate is coated with ground cinnamon. It creates a rich chocolate ribbon inside each muffin and a slightly rustic chocolate topping.
The result is a soft, fragrant zucchini muffin with contrasting pockets of dark chocolate in almost every bite.
Ingredients for Moist Cinnamon Chocolate Zucchini Muffins
For the best results, gather all your ingredients before mixing the batter.
For the zucchini muffin batter
- Zucchini: Provides moisture and creates the exceptionally tender texture that defines these muffins.
- Eggs: Give the batter structure and help create a light, cohesive crumb.
- Greek yogurt or skyr: Adds moisture, richness, and a subtle tang that balances the sweetness.
- Granulated sugar: Sweetens the muffins while contributing to their soft texture.
- Dark brown sugar: Adds deeper caramel and molasses flavors along with extra moisture.
- Extra-virgin olive oil: Keeps the zucchini muffins tender and soft for days.
- Vanilla extract: Rounds out the cinnamon, chocolate, and brown sugar flavors.
- All-purpose flour: Provides the structure needed for tall, bakery-style muffins.
- Baking powder: Helps the batter rise and develop a nicely domed top.
- Baking soda: Supports browning and works with the acidic yogurt to improve texture.
- Ground cinnamon: Adds gentle warmth to the zucchini batter.
- Salt: Balances the sweetness and makes the chocolate and cinnamon flavors more pronounced.
For the cinnamon chocolate
- 70% dark chocolate: Creates rich, bittersweet chocolate pockets that prevent the muffins from becoming overly sweet.
- Ground cinnamon: Coats the chopped chocolate and gives the filling its distinctive warm flavor.
Exact Measurements for Zucchini Muffins with Cinnamon Chocolate
For the muffin batter, you will need:
- 2 medium zucchini, about 340 grams
- 2 large eggs, at room temperature
- 1/2 cup Greek yogurt or skyr, about 130 grams
- 1/2 cup granulated sugar, about 110 grams
- 1/2 cup dark brown sugar, about 90 grams
- 1/2 cup extra-virgin olive oil, about 120 grams
- 1 teaspoon vanilla extract
- 2 1/2 cups all-purpose flour, about 350 grams
- 2 teaspoons baking powder
- 1/4 teaspoon baking soda
- 1/2 teaspoon ground cinnamon
- 1 teaspoon salt
For the cinnamon chocolate layer, you will need:
- 1/2 cup 70% dark chocolate, about 84 grams
- 1 teaspoon ground cinnamon
Easy Ingredient Swaps
Greek yogurt and skyr work especially well because both provide a thick, creamy consistency. A similarly thick plain yogurt can also work when necessary, although a thinner yogurt may slightly change the batter.
If you prefer a sweeter chocolate flavor, you can replace 70% dark chocolate with semisweet chocolate. Avoid using extremely sweet milk chocolate unless you also want a noticeably sweeter muffin.
A mild olive oil can be used if you do not enjoy the stronger fruity notes of some extra-virgin varieties.
How to Make Zucchini Muffins with Cinnamon Chocolate
These Zucchini Muffins with Cinnamon Chocolate require about 15 minutes of preparation before baking. The batter comes together quickly, and there is no need for a stand mixer.
- Preheat the oven. Set your oven to 375°F. Prepare a jumbo muffin pan with parchment squares or suitable muffin liners.
- Grate the zucchini. Use a rasp-style or fine grater to grate the zucchini directly into a large mixing bowl. Most importantly, do not squeeze out the liquid. That natural zucchini moisture is essential for the tender texture.
- Mix the wet ingredients. Add the room-temperature eggs, Greek yogurt or skyr, granulated sugar, dark brown sugar, olive oil, and vanilla to the grated zucchini. Whisk until everything is thoroughly combined.
- Add the dry ingredients. Add the all-purpose flour, baking powder, baking soda, cinnamon, and salt. Begin incorporating the ingredients with a whisk. As the mixture becomes thicker, switch to a spatula and gently fold until no obvious pockets of dry flour remain. Avoid excessive mixing, which can make muffins tougher.
- Prepare the cinnamon chocolate. Finely chop the dark chocolate until you have small shards rather than large chunks. Transfer it to a small bowl, add the cinnamon, and toss thoroughly so the chocolate pieces are evenly coated.
- Build the first layer. Spoon a small amount of zucchini muffin batter into each prepared jumbo muffin cup. Spread it gently enough to cover the bottom.
- Add the chocolate center. Sprinkle approximately one heaping tablespoon of cinnamon chocolate over the batter in each jumbo muffin.
- Finish filling the muffin cups. Spoon more batter over the chocolate layer until each jumbo muffin cup is nearly full. Scatter additional cinnamon chocolate over the top.
- Bake the muffins. Bake the jumbo Zucchini Muffins with Cinnamon Chocolate at 375°F for 30 to 35 minutes.
- Check for doneness. Insert a toothpick into the muffin rather than directly into a visible chocolate pocket. It should come out clean or with a few moist crumbs. A little melted chocolate on the toothpick is perfectly normal.
- Cool and serve. Allow the muffins to cool briefly in the pan before serving. They are particularly delicious while still slightly warm, when the cinnamon chocolate remains soft and melty.
Making Regular-Size Zucchini Muffins
You do not need a jumbo muffin pan to enjoy this recipe. A standard muffin tin works just as well, but both the portioning and baking time need to be adjusted.
When using a regular muffin tin, add a scant tablespoon of cinnamon chocolate to the center of each muffin rather than the larger amount used for jumbo muffins.
Bake the standard-size muffins at 375°F for approximately 18 to 20 minutes. The recipe should produce around 12 to 14 regular muffins.
Start checking them at the lower end of the baking range. Muffin pans and ovens vary, and smaller portions can overbake relatively quickly.
The Secret to Exceptionally Moist Zucchini Muffins
The most important technique in these Zucchini Muffins with Cinnamon Chocolate is surprisingly simple: do not squeeze the grated zucchini dry.
Many zucchini recipes instruct bakers to wring out the vegetable because zucchini contains a significant amount of water. That technique is useful in recipes where excess liquid could cause problems, but these muffins are specifically designed to take advantage of that moisture.
The liquid released by the zucchini during baking contributes to the soft crumb.
Greek yogurt or skyr adds another source of moisture, while olive oil supplies fat that remains liquid at room temperature. This combination helps the muffins stay tender after they cool instead of becoming dry and crumbly.
Accurate flour measurement matters too. Adding substantially more flour than required can absorb too much moisture and create dense muffins. A kitchen scale is particularly helpful when baking.
Tips for Perfect Zucchini Muffins with Cinnamon Chocolate
Do not overmix the batter. Once flour meets the wet ingredients, mix only until everything is combined. Vigorous or prolonged mixing develops more gluten and can turn a tender muffin into a chewy one.
Finely chop the chocolate instead of leaving it in large pieces. Smaller chocolate shards distribute more evenly and hold onto the cinnamon coating better, producing a more consistent cinnamon-chocolate flavor.
Keep the zucchini liquid. Unless you substantially alter the recipe, there is no need to drain or press the grated vegetable.
Use room-temperature eggs when possible. They blend into the yogurt, oil, and other wet ingredients more smoothly.
Watch the muffins rather than relying exclusively on the timer. Jumbo muffins should be tall and set in the center after roughly 30 to 35 minutes, while regular muffins need only about 18 to 20 minutes.
Finally, remember that melted chocolate can make a toothpick look wet. Check an area without a large chocolate pocket before assuming the muffin batter needs additional baking.
Cinnamon Chocolate Makes These Muffins Special
Classic zucchini bread often relies on cinnamon, chocolate, nuts, or a combination of all three. These Zucchini Muffins with Cinnamon Chocolate take a more distinctive approach by combining the cinnamon directly with finely chopped dark chocolate.
Cinnamon provides warmth and aromatic sweetness without adding more sugar. Dark chocolate contributes bittersweet intensity, which works particularly well with brown sugar and mild zucchini.
The layered method is also important. Rather than distributing all the chocolate throughout the batter, placing some in the center produces a concentrated ribbon of chocolate. The remaining pieces on top create an appealing bakery-style finish.
For an even more pronounced cinnamon flavor, you can add a light dusting of cinnamon immediately before serving, but the original amount already provides a balanced result.
Serving Ideas and Flavor Variations
Zucchini Muffins with Cinnamon Chocolate are flavorful enough to serve without frosting or glaze. Enjoy one warm with coffee, black tea, or a cold glass of milk for an easy breakfast or afternoon treat.
For brunch, pair the muffins with fresh berries, sliced seasonal fruit, Greek yogurt, or eggs for a more substantial meal.
You can also experiment with the basic flavor profile. Add chopped walnuts or pecans for crunch, or mix a small amount of orange zest into the batter for a brighter contrast with the dark chocolate.
For additional chocolate intensity, scatter a few finely chopped chocolate pieces over the muffins just before baking. If you prefer less sweetness, stick with a high-cocoa dark chocolate rather than semisweet chocolate.
The recipe is especially useful during summer when fresh zucchini is abundant, but it works throughout the year whenever good zucchini is available.
How to Store Zucchini Muffins and Keep Them Soft
Proper storage helps Zucchini Muffins with Cinnamon Chocolate retain the moist texture that makes them so appealing.
First, allow the muffins to cool completely. Sealing warm baked goods in a container traps steam, which can make their surfaces unpleasantly damp.
Once cool, transfer them to an airtight container with a secure lid. Keep the container in a cool, dry part of the kitchen away from the stove or other areas where the temperature changes frequently.
When properly stored, these zucchini muffins can remain enjoyable for up to a week.
If a muffin starts to lose some of its softness, the original recipe recommends placing a damp paper towel in the storage container about 12 hours before eating it. Another quick option is to drape a wet paper towel over the muffin and microwave it for about 20 seconds.
That gentle reheating helps restore a softer texture while warming the cinnamon chocolate center.
Common Mistakes to Avoid
Squeezing the zucchini is the biggest mistake because it removes moisture the batter was formulated to use.
Overbaking is another common problem. Zucchini can keep the interior looking exceptionally moist, so it is tempting to leave the muffins in the oven longer than necessary. Use the toothpick test and remember that melted chocolate is not raw batter.
Avoid aggressively stirring the flour into the wet ingredients. Gentle folding is enough once the batter becomes thick.
Large chocolate chunks can also make the center uneven and overly molten. Finely chopped dark chocolate creates a better ribbon and allows the cinnamon to coat more surface area.
Lastly, use fresh baking powder and baking soda. Proper leavening helps create the tall, soft texture expected from bakery-style zucchini muffins.
Why Zucchini Is So Good for Baking
Zucchini has a mild flavor, which means it can disappear almost seamlessly into sweet baked goods while contributing valuable moisture. Once grated and baked, its vegetal flavor becomes very subtle.
That makes it particularly compatible with warm spices, vanilla, brown sugar, and chocolate.
In these Zucchini Muffins with Cinnamon Chocolate, zucchini is not merely an ingredient added for novelty. Its water content is part of the recipe’s texture strategy. Combined with yogurt and olive oil, it produces muffins that stay softer than many traditional butter-based versions.
It is also an excellent way to use a generous summer zucchini harvest without making another savory side dish.
A Bakery-Style Muffin Worth Making Again
Zucchini Muffins with Cinnamon Chocolate combine everything that makes homemade muffins satisfying: a tall bakery-style shape, tender crumb, warm spice, rich dark chocolate, and plenty of moisture. The grated zucchini keeps the batter soft, while yogurt and olive oil help maintain that texture for days.
The cinnamon-coated chocolate is what turns a familiar zucchini muffin into something memorable. With a gooey chocolate ribbon through the middle and more chocolate scattered over the top, these muffins work equally well for breakfast, brunch, snacking, or dessert.
Keep the zucchini juicy, mix the batter gently, and watch the baking time closely. Follow those simple principles and these Zucchini Muffins with Cinnamon Chocolate deliver soft, fragrant, chocolate-filled results every time.
Frequently Asked Questions About Zucchini Muffins with Cinnamon Chocolate
Can I make Zucchini Muffins with Cinnamon Chocolate in a regular muffin pan?
Yes. A standard muffin pan works perfectly for Zucchini Muffins with Cinnamon Chocolate. Add a scant tablespoon of the cinnamon chocolate mixture to the center of each muffin and bake at 375°F for about 18 to 20 minutes. This recipe should yield approximately 12 to 14 standard-size muffins. Check them toward the end of the baking time with a toothpick, remembering that melted chocolate on the toothpick is completely normal.
Should I squeeze the water out of the grated zucchini?
No. Keeping the natural zucchini moisture is one of the secrets to exceptionally soft muffins. Unlike some zucchini bread recipes, these Zucchini Muffins with Cinnamon Chocolate are designed to use the liquid released by freshly grated zucchini. Squeezing it dry can result in a less tender crumb. Simply grate the zucchini and add it directly to the batter.
What is the best chocolate to use for these zucchini muffins?
A 70% dark chocolate is an excellent choice because its bittersweet flavor balances the brown sugar and complements the warm cinnamon. Chop the chocolate very finely before tossing it with ground cinnamon. Semisweet chocolate can also work if you prefer sweeter Zucchini Muffins with Cinnamon Chocolate, although the finished flavor will be less intense.
More Relevant Recipes

Zucchini Muffins with Cinnamon Chocolate
- Total Time: 50 minutes
- Yield: 12-14 standard muffins or about 6 jumbo muffins
- Diet: Vegetarian
Description
Moist and tender Zucchini Muffins with Cinnamon Chocolate made with fresh grated zucchini, Greek yogurt, olive oil, brown sugar, warm cinnamon, and finely chopped dark chocolate. These bakery-style muffins feature a rich cinnamon chocolate layer in the center and on top.
Ingredients
- 2 medium zucchini, about 340 grams
- 2 large eggs, at room temperature
- 1/2 cup Greek yogurt or skyr, about 130 grams
- 1/2 cup granulated sugar, about 110 grams
- 1/2 cup dark brown sugar, about 90 grams
- 1/2 cup extra-virgin olive oil, about 120 grams
- 1 teaspoon vanilla extract
- 2 1/2 cups all-purpose flour, about 350 grams
- 2 teaspoons baking powder
- 1/4 teaspoon baking soda
- 1/2 teaspoon ground cinnamon
- 1 teaspoon salt
- 1/2 cup 70% dark chocolate, about 84 grams
- 1 teaspoon ground cinnamon for the chocolate mixture
Instructions
- Preheat the oven to 375°F and prepare a jumbo muffin pan with parchment squares or muffin liners.
- Grate the zucchini directly into a large mixing bowl. Do not squeeze out the moisture.
- Add the eggs, Greek yogurt or skyr, granulated sugar, dark brown sugar, olive oil, and vanilla. Whisk until well combined.
- Add the flour, baking powder, baking soda, 1/2 teaspoon cinnamon, and salt. Begin mixing with a whisk, then switch to a spatula as the batter thickens. Fold only until no dry flour remains.
- Finely chop the dark chocolate and place it in a small bowl. Add 1 teaspoon cinnamon and toss until the chocolate is evenly coated.
- Spoon a small amount of batter into each prepared jumbo muffin cup.
- Add about 1 heaping tablespoon of the cinnamon chocolate mixture to the center of each muffin.
- Cover with additional batter until the muffin cups are nearly full, then sprinkle more cinnamon chocolate over the tops.
- Bake jumbo muffins at 375°F for 30 to 35 minutes, or until a toothpick inserted into the muffin comes out clean or with a few moist crumbs. Melted chocolate on the toothpick is normal.
- Allow the muffins to cool briefly before serving. For standard-size muffins, use a scant tablespoon of chocolate in each center and bake for 18 to 20 minutes. The recipe makes about 12 to 14 standard muffins.
Notes
- Do not squeeze the grated zucchini because its natural moisture helps create a soft and tender crumb.
- Avoid overmixing the batter after adding the flour, as this can make the muffins dense or chewy.
- Finely chopping the dark chocolate helps the cinnamon coat it evenly and creates a better chocolate ribbon.
- For standard-size muffins, bake at 375°F for about 18 to 20 minutes.
- Store completely cooled muffins in an airtight container in a cool, dry place for up to 1 week.
- To refresh a muffin, cover it with a damp paper towel and microwave for about 20 seconds.
- Nutrition information is an estimate based on approximately 12 standard-size muffins and may vary depending on brands and portion size.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Category: Breakfast, Snack, Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 standard muffin
- Calories: 318
- Sugar: 19.5 g
- Sodium: 23 mg
- Fat: 13.4 g
- Saturated Fat: 3.4 g
- Unsaturated Fat: 10 g
- Trans Fat: 0 g
- Carbohydrates: 44 g
- Fiber: 2.2 g
- Protein: 5.9 g
- Cholesterol: 32 mg

