Can I use frozen rhubarb in Rhubarb Streusel Coffee Cake?

Yes, frozen rhubarb works well in Rhubarb Streusel Coffee Cake. Make sure to thaw it completely and drain off any excess liquid before adding it to the batter. This prevents the cake from becoming too moist or dense.

How do I keep my streusel from sinking?

To keep the topping from sinking in your Rhubarb Streusel Coffee Cake, use cold butter when making the streusel and avoid pressing it into the batter. A crumbly, loose texture helps it stay on top during baking.

How should I store Rhubarb Streusel Coffee Cake?

Store your Rhubarb Streusel Coffee Cake covered at room temperature for up to two days. For longer storage, refrigerate it for up to five days or freeze individual slices for up to two months. Reheat gently before serving for the best texture.

Can I make Rhubarb Streusel Coffee Cake ahead of time?

Absolutely. Rhubarb Streusel Coffee Cake is an excellent make-ahead dessert. In fact, the flavor often improves the next day as the ingredients settle and develop. Simply store it properly and serve when needed.

Rhubarb Streusel Coffee Cake Easy Recipe

Name: Rhubarb Streusel Coffee Cake
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 2 1/2 cups all-purpose flour (for cake structure); 1 cup granulated sugar (for sweetness); 1/2 cup brown sugar (for streusel topping); 1 cup unsalted butter, softened (for cake batter); 1/2 cup unsalted butter, cold and cubed (for streusel); 1 cup sour cream (for moisture and richness); 3 large eggs (for structure); 2 teaspoons vanilla extract (for flavor); 2 teaspoons baking powder (for rise); 1/2 teaspoon baking soda (for leavening); 1/2 teaspoon salt (to balance flavor); 2 teaspoons ground cinnamon (for streusel spice); 1/4 teaspoon ground nutmeg (for warmth); 2 cups fresh rhubarb, diced (for tart flavor); 1/2 cup chopped nuts, optional (for crunch)

Description

This Rhubarb Streusel Coffee Cake is a moist, buttery cake layered with tart rhubarb and topped with a crunchy cinnamon streusel. Perfect for brunch, dessert, or a cozy coffee break, it delivers a delicious balance of sweet and tangy flavors.

Ingredients

Scale

2 1/2 cups all-purpose flour (for cake structure)
1 cup granulated sugar (for sweetness)
1/2 cup brown sugar (for streusel topping)
1 cup unsalted butter, softened (for cake batter)
1/2 cup unsalted butter, cold and cubed (for streusel)
1 cup sour cream (for moisture and richness)
3 large eggs (for structure)
2 teaspoons vanilla extract (for flavor)
2 teaspoons baking powder (for rise)
1/2 teaspoon baking soda (for leavening)
1/2 teaspoon salt (to balance flavor)
2 teaspoons ground cinnamon (for streusel spice)
1/4 teaspoon ground nutmeg (for warmth)
2 cups fresh rhubarb, diced (for tart flavor)
1/2 cup chopped nuts, optional (for crunch)

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Instructions

Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking dish.
In a bowl, mix 1/2 cup brown sugar, 1/2 cup flour, cinnamon, and nutmeg. Cut in cold butter until crumbly to make the streusel. Set aside.
In another bowl, whisk together 2 cups flour, baking powder, baking soda, and salt.
In a large mixing bowl, cream softened butter and granulated sugar until light and fluffy, about 3 minutes.
Add eggs one at a time, mixing well after each addition, then stir in vanilla extract.
Alternate adding the dry ingredients and sour cream to the batter, mixing gently until just combined.
Fold in diced rhubarb evenly throughout the batter.
Spread half of the batter into the prepared pan and sprinkle half of the streusel on top.
Add the remaining batter and spread gently, then top with the remaining streusel.
Bake for 45–50 minutes or until a toothpick inserted in the center comes out with a few moist crumbs.
Cool for at least 20 minutes before slicing and serving.

Notes

Use cold butter for the streusel to achieve a crumbly texture.
Dice rhubarb into small, even pieces for even baking.
Do not overmix the batter to keep the cake soft and tender.
Frozen rhubarb can be used if thawed and drained well.
Store covered at room temperature for up to 2 days or refrigerate for up to 5 days.

Prep Time: 20 minutes
Cook Time: 50 minutes
Category: Dessert
Method: Baking
Cuisine: American

Nutrition

Serving Size: 1 slice
Calories: 320 kcal
Sugar: 22 g
Sodium: 210 mg
Fat: 15 g
Saturated Fat: 9 g
Unsaturated Fat: 5 g
Trans Fat: 0.3 g
Carbohydrates: 42 g
Fiber: 2 g
Protein: 5 g
Cholesterol: 75 mg