Super simple to make and keto-friendly, this Buffalo Chicken Casserole is going to be a real family favorite!

Here’s a fairy tale scenario for you: combine all of the most delicious, clean ingredients you can think of in a casserole pan, bake it, and everyone lives happily ever after… the end. Well, you’re in luck. Your fairy tale is now a reality! Enter: this casserole. Spaghetti squash, buffalo sauce, chicken breast, carrots, onions, garlic. INTO IT.
The Perfect Make-Ahead Buffalo Chicken Casserole Meal

This dish is a perfect “make ahead” meal that can be taken to work for lunch or eaten throughout the week for dinner. Ryan and I love to pre-make it on Sunday and eat it for dinner during the week with a dollop of Primal Kitchen Mayo on top. So tasty!
Easily Customizable Chicken Casserole
As a note, feel free to play around with the proportions of spaghetti squash, chicken, and buffalo sauce. This recipe is my personal preference, but the primary ingredients can be altered a bit. If you like spicy food or are a big fan of buffalo sauce, I’d suggest increasing the buffalo sauce to 1 cup.
Diets This Buffalo Chicken Casserole Recipe Is Compliant With
This casserole is Whole30 compliant, paleo, keto, low-carb, nut-free, gluten-free, grain-free, dairy-free, sugar-free, and macro friendly!
Want to try more tasty keto dinners?
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Buffalo Chicken Casserole
Ingredients
- 1 medium onion, chopped
- 1 1/4 cup carrots, chopped
- 1 large spaghetti squash, baked, shredded
- 1 3/4 lb chicken breast, baked, shredded
- 3/4 cup buffalo sauce
- 5 tbsp egg whites
- 3 tbsp Primal Kitchen Mayo
- 1 1/4 tsp garlic powder
- 1 tsp salt
Instructions
- Preheat oven to 400 degrees and spray casserole pan with cooking spray.
- In a medium pan, sauté onions and carrots until translucent, about 6-7 minutes.
- While vegetables are cooking, in a large bowl and with a clean dishrag, squeeze moisture out of spaghetti squash.
- Add onions, carrots, and all other remaining ingredients to bowl of spaghetti squash. Stir until well-combined.
- Pour mixture into casserole pan, bake for 35 minutes, and enjoy!
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