If you’re craving a hearty, comforting meal that’s as healthy as it is flavorful, this Jalapeño Buffalo Chicken Casserole is your perfect go-to. Packed with protein, vegetables, and the zesty heat of buffalo sauce, this dish is an ideal weeknight dinner or meal prep recipe. It’s also gluten-free, keto, paleo, and Whole30-approved, so it fits seamlessly into various dietary plans. Whether you’re looking to satisfy a craving or fuel your body with nutritious ingredients, this casserole offers the perfect balance of taste and health benefits.
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The Appeal of Jalapeño Buffalo Chicken Casserole
This Jalapeño Buffalo Chicken Casserole is more than just a flavorful dish—it’s easy to make, healthy, and packed with vegetables. The addition of cauliflower rice and fresh veggies like red bell pepper, onion, and carrots makes it a nutrient-dense choice. The shredded chicken adds a satisfying protein boost, while the creamy buffalo sauce and coconut cream keep it rich and indulgent. Plus, it’s low in carbs and a fantastic option for meal prepping, ensuring you always have a delicious and wholesome meal ready to go.
Ingredients You’ll Need for Jalapeño Buffalo Chicken Casserole
Here’s a breakdown of the key ingredients that make up this delicious casserole. Each one contributes to the dish’s unique flavor and texture.
• Chicken Breast: Adds lean protein and helps make the casserole filling and satisfying.
• Frozen Cauliflower Rice: Provides a low-carb, vegetable-based rice alternative with a soft texture.
• Jalapeños: Bring the heat and a bit of crunch to the dish. You can adjust the quantity based on your spice preference.
• Red Bell Pepper: Offers a mild sweetness that complements the spiciness of the jalapeños.
• Onion: Adds savory depth to the casserole, balancing the richness of the buffalo sauce.
• Shredded Carrots: Contribute natural sweetness and a slight crunch, balancing out the other vegetables.
• Coconut Cream: Adds richness and helps bind the sauce, making it creamy and smooth.
• Buffalo Sauce: Delivers a spicy, tangy kick that’s the heart of this dish’s flavor.
• Ranch Dressing: A creamy, tangy base for the sauce, providing a cooling contrast to the spicy buffalo sauce.
• Garlic: Boosts the overall flavor profile with its aromatic depth.
• Salt and Pepper: Essential for seasoning and enhancing the flavors of the casserole.
Alternative Ingredient Suggestions
For those with dietary preferences or ingredient availability issues, here are some alternative suggestions to customize your casserole:
• Cauliflower Rice Swap: If cauliflower rice is unavailable, you can use other low-carb options like riced broccoli or finely chopped zucchini.
• Ranch Dressing: If you’re not following the Whole30 diet, feel free to use regular ranch dressing or your favorite creamy dressing for extra flavor.
• Coconut Cream Substitute: If you don’t have coconut cream, try using heavy cream for a richer, non-dairy alternative.
• Chicken Alternatives: You can swap out chicken breast for cooked shredded turkey or rotisserie chicken for convenience.
Step-by-Step Instructions for Jalapeño Buffalo Chicken Casserole
Making this casserole is a breeze. Follow these steps to bring your Jalapeño Buffalo Chicken Casserole to life:
- Preheat your oven to 400°F (200°C) and prepare your casserole dish by greasing it lightly.
- In the casserole dish, combine diced red bell pepper, onion, jalapeños, frozen cauliflower rice, and shredded carrots.
- Add the cooked and shredded chicken breast to the dish and mix all the ingredients together.
- In a separate small bowl, whisk together buffalo sauce, ranch dressing, coconut cream, minced garlic, salt, and pepper until well combined.
- Pour the sauce mixture evenly over the casserole ingredients and stir gently to coat everything in the sauce.
- Spread the casserole mixture into an even layer, ensuring all the ingredients are well distributed.
- Bake for 45 minutes, or until the casserole is bubbly and the top is slightly golden. If you prefer a crispier top, bake for an additional 5-10 minutes.
- Once baked, remove from the oven and drizzle extra buffalo sauce or ranch dressing on top, if desired. Garnish with extra sliced jalapeños and green onions for a fresh touch.

Tips & Tricks for Perfecting Your Jalapeño Buffalo Chicken Casserole
• Texture Check: Ensure the casserole is fully cooked by checking that the cauliflower rice has softened and the chicken is heated through.
• Adjust the Spice Level: To control the heat, use fewer jalapeños or substitute with mild peppers if you prefer a less spicy dish.
• Leftover Storage: Store leftovers in airtight containers in the refrigerator for up to 4 days. Reheat in the oven to avoid sogginess from the cauliflower rice.
• Make-Ahead Option: You can prep the casserole ahead of time and store it in the fridge, uncooked, for up to a day before baking.
Pairing Ideas and Variations for Jalapeño Buffalo Chicken Casserole
This casserole pairs beautifully with a variety of sides and toppings:
• Side Dishes: Serve with a side of roasted vegetables or a light salad to balance the richness of the casserole.
• Toppings: Add a dollop of homemade guacamole or a sprinkle of shredded cheese for extra flavor.
• Make It Spicy: If you love heat, drizzle additional buffalo sauce over the top or add extra jalapeños as a garnish.
• Gluten-Free Variation: This casserole is already gluten-free, but if you’re looking for a crunch, you can top it with gluten-free breadcrumbs before baking.
Health Benefits of Jalapeño Buffalo Chicken Casserole
Not only does this casserole taste amazing, but it also boasts numerous health benefits. It’s an excellent source of protein from the chicken and fiber from the cauliflower rice and vegetables. The use of coconut cream offers healthy fats, while the buffalo sauce provides a dose of capsaicin, known to boost metabolism. The absence of grains and dairy makes this casserole suitable for various diets, including paleo, keto, and Whole30.
Conclusion: Why You’ll Love Jalapeño Buffalo Chicken Casserole
This Jalapeño Buffalo Chicken Casserole is more than just a meal—it’s an experience. Whether you’re following a keto, paleo, or Whole30 diet or simply looking for a wholesome, hearty dish, this recipe checks all the boxes. The combination of tender chicken, spicy jalapeños, and creamy buffalo sauce creates a flavor-packed casserole that the whole family will enjoy. It’s easy to make, nutrient-dense, and can be prepped ahead of time, making it a perfect fit for busy weeknights or meal prepping for the week ahead.
If you’re craving comfort food that’s also healthy and satisfying, this casserole will quickly become a staple in your kitchen. With just a few simple ingredients, you can create a dish that’s sure to please both the spice lovers and health-conscious eaters in your home.
Frequently Asked Questions (FAQs)
1. Can I use frozen chicken for this Jalapeño Buffalo Chicken Casserole?
Yes! You can use frozen chicken breast for this recipe, but you’ll need to cook it first. You can bake the frozen chicken breasts at 400°F for about 25 minutes until they reach an internal temperature of 165°F, then shred them for the casserole. This will save you some time if you’re in a pinch!
2. How do I store leftovers of Jalapeño Buffalo Chicken Casserole?
To store leftovers, allow the casserole to cool to room temperature, then transfer it into airtight containers. You can keep it in the refrigerator for up to 4 days. For longer storage, you can freeze individual portions, but keep in mind that the cauliflower rice may release some moisture upon thawing. Reheat in the oven for best results.
3. Can I make this casserole ahead of time?
Absolutely! You can prepare the casserole the day before and refrigerate it until you’re ready to bake. This allows the flavors to meld together even more. Just be sure to bake it thoroughly before serving. If the casserole is cold from the fridge, you may need to add a few extra minutes of baking time.
4. How can I adjust the spice level in this casserole?
If you prefer a milder version, simply reduce the number of jalapeños or omit them altogether. You can also swap the buffalo sauce for a milder hot sauce or use a combination of ranch dressing and a small amount of buffalo sauce to control the spice level.
More Relevant Recipes
- Spicy Jalapeño Chicken: This dish combines the bold flavors of spicy jalapeños and tender chicken, offering a fiery yet satisfying meal that’s perfect for anyone craving heat. The spicy kick is balanced by a mild creamy sauce, making it a great side dish or main course for spice lovers.
- Creamy Cajun Chicken Pasta: A creamy and spicy pasta dish that incorporates cajun seasoning for an extra kick. This recipe is perfect for those who enjoy bold, zesty flavors similar to the buffalo and jalapeño combination, making it an excellent alternative to the casserole for a creamy, satisfying meal.
- Creamy Chicken Gnocchi Soup: For those who enjoy a hearty, creamy dish, this chicken gnocchi soup brings a rich, flavorful twist. The soup is comforting with its creamy texture, while the chicken adds protein, offering a cozy, savory experience that echoes the richness of the jalapeño buffalo chicken casserole.

Jalapeño Buffalo Chicken Casserole
- Total Time: 1 hour
- Yield: 6 servings
- Diet: Gluten Free
Description
This Jalapeño Buffalo Chicken Casserole is a healthy, flavorful dish that combines the heat of jalapeños with the creamy richness of buffalo sauce. Perfect for a spicy weeknight dinner, it’s also gluten-free, keto, paleo, and Whole30-friendly, making it suitable for a variety of diets. Packed with protein and vegetables, this casserole is sure to satisfy your cravings while keeping you on track with your health goals.
Ingredients
- 2 pounds chicken breast, cooked and shredded
- 20 ounces frozen cauliflower rice
- 2 small jalapeños, finely diced, plus more for topping if desired
- 1 small white or yellow onion, diced
- 1 red pepper, diced
- 1/2 cup shredded or finely diced carrots
- 1/2 cup canned coconut cream (the thick part at the top of the can)
- 1/2 cup buffalo sauce
- 1/4 cup ranch dressing
- 1 tablespoon minced garlic
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- Optional: green onion, extra jalapeños to garnish
Instructions
- Preheat your oven to 400°F (200°C) and prepare your casserole dish by greasing it lightly.
- In the casserole dish, combine diced red bell pepper, onion, jalapeños, frozen cauliflower rice, and shredded carrots.
- Add the cooked and shredded chicken breast to the dish and mix all the ingredients together.
- In a separate small bowl, whisk together buffalo sauce, ranch dressing, coconut cream, minced garlic, salt, and pepper until well combined.
- Pour the sauce mixture evenly over the casserole ingredients and stir gently to coat everything in the sauce.
- Spread the casserole mixture into an even layer, ensuring all the ingredients are well distributed.
- Bake for 45 minutes, or until the casserole is bubbly and the top is slightly golden. If you prefer a crispier top, bake for an additional 5-10 minutes.
- Once baked, remove from the oven and drizzle extra buffalo sauce or ranch dressing on top, if desired. Garnish with extra sliced jalapeños and green onions for a fresh touch.
Notes
- Ensure the casserole is fully cooked by checking that the cauliflower rice has softened and the chicken is heated through.
- To control the spice level, use fewer jalapeños or substitute with mild peppers if you prefer a less spicy dish.
- Store leftovers in airtight containers in the refrigerator for up to 4 days. Reheat in the oven to avoid sogginess from the cauliflower rice.
- You can prep the casserole ahead of time and refrigerate it uncooked for up to a day before baking.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Category: Casserole
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 354
- Sugar: 3.7g
- Sodium: 1,214mg
- Fat: 11.9g
- Saturated Fat: 6.3g
- Unsaturated Fat: 5.0g
- Trans Fat: 0g
- Carbohydrates: 10.2g
- Fiber: 3.7g
- Protein: 47.7g
- Cholesterol: 88mg