This keto buffalo chicken casserole packs 30g protein per serving. Creamy, spicy, and perfect for meal prep. A low-carb high-protein dinner recipe you'll love.

Ingredients

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Instructions

Step 1

Preheat your oven to 375°F (190°C). While the oven heats, gather all your ingredients. This step ensures a smooth cooking process. Cooking the chicken ahead of time is key: you can poach, bake, or use rotisserie chicken. For poaching, place chicken breasts in a pot, cover with water, add a pinch of salt, and bring to a gentle simmer. Cook for 12-15 minutes until the internal temperature reaches 165°F (74°C). Let cool slightly, then shred using two forks or a hand mixer for quick results. The shredded chicken should be tender and moist, not dry. Set aside.

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Step 2

In a large mixing bowl, combine the softened cream cheese, ranch dressing, and buffalo sauce. Use a hand mixer or whisk to blend until smooth and creamy. The cream cheese should be at room temperature to avoid lumps. If you forgot to soften it, microwave for 15-20 seconds. The mixture will be thick but spreadable. Taste and adjust the heat by adding more buffalo sauce if desired. This creamy base is the heart of the casserole, providing richness and balancing the spicy kick.

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Step 3

Add the shredded chicken to the bowl along with 1 cup of the shredded cheddar cheese. Stir well to coat every piece of chicken with the creamy buffalo mixture. The cheese will start to melt slightly from the warmth of the chicken, creating a cohesive filling. Season with salt and pepper to taste. Remember that buffalo sauce and ranch contain sodium, so go easy on the salt.

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Step 4

Transfer the chicken mixture into a greased 9×13-inch baking dish. Spread it evenly with a spatula. Sprinkle the remaining 1 cup of shredded cheddar cheese over the top, covering the surface completely. For extra flavor, add crumbled blue cheese if using. The cheese layer will form a golden, bubbly crust as it bakes.

Step 5

Bake in the preheated oven for 18-22 minutes, until the casserole is hot and bubbly and the cheese on top is melted and lightly browned. For a deeper golden crust, switch to broil for the last 1-2 minutes, watching carefully to prevent burning. The edges should be bubbling, and the center should be hot. Let the casserole rest for 5 minutes before serving. This allows the casserole to set, making it easier to scoop.

Step 6

Garnish with sliced green onions and an extra drizzle of buffalo sauce if desired. Serve warm. This casserole is excellent on its own, over cauliflower rice, or with celery sticks for crunch. Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the microwave or oven until hot.

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For best results

  • For the best texture, use full-fat cream cheese and ranch dressing. Low-fat versions can make the casserole watery and less creamy. If you're dairy-sensitive, you can substitute with dairy-free cream cheese and ranch, but the consistency may be thinner. Always let the cream cheese soften to room temperature to ensure a smooth blend without lumps.
  • To save time, use rotisserie chicken. One large rotisserie chicken yields about 3 cups of shredded meat, perfect for this recipe. Remove the skin and shred the meat while it's still warm for easiest handling. This also adds extra flavor from the seasoning on the skin.
  • If you prefer a spicier casserole, add 1-2 teaspoons of cayenne pepper or a dash of hot sauce to the cream cheese mixture. You can also use spicy ranch dressing. For a milder version, reduce the buffalo sauce to 1/4 cup and add an extra tablespoon of ranch.
  • This casserole is ideal for meal prep. Divide into individual containers and refrigerate. It reheats beautifully. To freeze, assemble the casserole without baking, cover tightly with foil, and freeze for up to 3 months. Thaw overnight in the fridge and bake as directed, adding 5-10 minutes to the baking time.
  • For a crispy topping, mix 1/2 cup crushed pork rinds with 2 tablespoons melted butter and sprinkle over the cheese before baking. This adds a crunchy, keto-friendly crust that mimics breadcrumbs. Alternatively, use crushed almonds or pecans for a nutty flavor.

Variations

  • Make it dairy-free: Use dairy-free cream cheese and ranch dressing made from coconut or cashew. Nutritional yeast can replace some of the cheesy flavor. The texture will be slightly less creamy but still delicious. Omit the cheddar or use a vegan shred.
  • Add vegetables: Fold in 1 cup of steamed broccoli florets or cauliflower rice to boost fiber and nutrients. Sautéed mushrooms or bell peppers also work well. Just ensure any added veggies are well-drained to avoid excess moisture.
  • Protein swap: Replace chicken with shredded cooked turkey (great for leftovers), canned tuna (drained), or even shredded pork. For a vegetarian option, use crumbled tofu or tempeh, but note the protein content will change. Adjust seasonings accordingly.
  • Buffalo twist: Use a different hot sauce like sriracha, chipotle, or jerk seasoning for a unique flavor profile. You can also add a tablespoon of tomato paste for depth. For a smoky version, use smoked paprika and a dash of liquid smoke.

Nutrition

  • Calories420 kcal
  • Total Fat32g
  • Saturated Fat15g
  • Cholesterol130mg
  • Sodium980mg
  • Total Carbohydrates6g
  • Dietary Fiber0g
  • Sugars3g
  • Protein30g

Common Questions

Can I use chicken thighs instead of breasts?
Absolutely! Chicken thighs are more flavorful and juicier due to higher fat content, which is perfect for keto. They may require slightly longer cooking time if you cook them from raw. Shred them the same way. The casserole will be even more moist and tender.
Is this casserole freezer-friendly?
Yes, it freezes well. Assemble the casserole without baking, wrap tightly in plastic wrap and foil, and freeze for up to 3 months. To serve, thaw in the refrigerator overnight, then bake as directed, adding 5-10 minutes since starting from cold. The texture remains creamy and delicious.
How can I make this casserole less spicy?
Reduce the buffalo sauce to 1/4 cup and increase the ranch dressing to 1 1/4 cups. You can also use a mild buffalo sauce or mix with melted butter to tone down the heat. Adding extra cream cheese or a dollop of sour cream at serving helps cool it down.
What can I serve with this casserole to keep it low-carb?
Serve over cauliflower rice, zucchini noodles, or a simple green salad with ranch dressing. Celery sticks and cucumber slices also make great crunchy dippers. For extra fat, add avocado slices or a side of steamed broccoli with butter.
Can I make this casserole ahead of time?
Yes, you can assemble the casserole up to 24 hours in advance. Cover and refrigerate. When ready to bake, you may need to add 5-10 minutes to the baking time since it starts cold. This makes it perfect for busy weeknights or entertaining.
How long does this casserole last in the fridge?
Store leftovers in an airtight container for up to 4 days. Reheat in the microwave for 1-2 minutes or in a 350°F oven for 10-15 minutes. The casserole may thicken upon refrigeration, but it will loosen slightly when reheated. Do not leave at room temperature for more than 2 hours.