Low Carb Chicken Taco Casserole – Easy Weeknight Keto Dinner

I’ve always loved creating meals that bring comfort without compromising health. One busy weeknight, I tossed together shredded chicken, cauliflower rice, and melted cheese in one pan—and my family devoured it! This low carb chicken taco casserole is a perfect example of a quick, easy, and customizable dish that’s great for weeknights or special occasions. Packed with flavor, it’s keto-friendly, low calorie, and a winner for anyone craving Mexican-inspired comfort food.

Why You’ll Love This Recipe

If you’re looking for a meal that’s both comforting and low in carbs, this low carb chicken taco casserole is exactly what you need. It’s a perfect combination of tender shredded chicken, flavorful spices, and cheesy goodness all baked into one easy, family-friendly dish. Ideal for busy weeknights or meal prep, this keto chicken taco casserole with cauliflower rice delivers all the classic Mexican flavors without the extra carbs. Low calorie and fully customizable, it’s a balanced one-pot meal that works for weight loss or a quick dinner. You can even swap ingredients to make a low carb chicken burrito casserole or add vegetables for extra fiber. Easy to prepare, this chicken cauliflower taco casserole is a versatile recipe that satisfies cravings while staying keto-friendly. With its quick assembly, minimal cleanup, and bold flavor, this low carb taco casserole recipe is sure to become a staple in your kitchen, making healthy, delicious dinners stress-free and satisfying.

Ingredients for This Recipe

This low carb chicken taco casserole is packed with ingredients that bring flavor, texture, and nutrition together in one easy dish. Shredded chicken provides a hearty, protein-rich base, while cauliflower rice keeps the recipe low carb and keto-friendly without sacrificing volume. Colorful bell peppers and onions add natural sweetness and crunch, and garlic and spices like chili powder, cumin, and paprika give it that classic taco flavor. Cheddar or Mexican blend cheese melts perfectly to create a creamy, cheesy layer, while sour cream adds richness. Toppings like fresh cilantro, avocado, or jalapeños allow you to customize each serving. Every ingredient is carefully chosen to make this chicken cauliflower taco casserole both comforting and satisfying while remaining low calorie and ideal for quick weeknight dinners, meal prep, or special occasions.

🛒 Ingredients (serves 6–8)

For the Casserole:
3 cups cooked chicken, shredded (rotisserie or baked)
3 cups cauliflower rice
1 cup diced bell peppers (any color)
1 small onion, diced
2 cloves garlic, minced
1 cup canned diced tomatoes, drained
1 cup shredded cheddar cheese (or Mexican blend)
½ cup sour cream (optional for creaminess)
1 tsp chili powder
1 tsp cumin
½ tsp paprika
½ tsp salt
¼ tsp black pepper
1–2 tbsp olive oil

For Topping (Optional):
½ cup shredded cheese
Sliced jalapeños
Fresh cilantro
Avocado slices

How to Make This Recipe

Making this low carb chicken taco casserole is simple, quick, and packed with flavor. The shredded chicken combines perfectly with cauliflower rice to create a hearty, low carb base, while bell peppers, onions, and garlic add crunch and aroma. Spices like chili powder, cumin, and paprika give this chicken cauliflower taco casserole its signature taco flavor, and the melted cheese creates a creamy, cheesy layer that binds everything together. Using low-calorie, keto-friendly ingredients ensures this chicken taco casserole is perfect for weight loss, meal prep, or a quick weeknight dinner. Topping with fresh cilantro, avocado, or jalapeños makes this low carb taco casserole recipe even more flavorful and customizable. Every step highlights the simplicity of creating a balanced, delicious, and family-friendly Mexican-inspired dish without added carbs.

🛒 Steps:

Step 1: Sauté Vegetables
Heat olive oil in a large skillet over medium heat. Add diced onions, bell peppers, and garlic, and sauté 3–4 minutes until softened.

Step 2: Cook Cauliflower Rice
Add cauliflower rice and cook 5–6 minutes until slightly tender. Season with chili powder, cumin, paprika, salt, and pepper.

Step 3: Mix Chicken and Veggies
Combine shredded chicken, sautéed vegetables, cauliflower rice, diced tomatoes, sour cream, and 1 cup shredded cheese in a large bowl. Mix thoroughly.

Step 4: Bake the Casserole
Preheat oven to 375°F (190°C). Transfer mixture to a greased 9×13-inch baking dish. Top with remaining cheese. Bake 20–25 minutes until cheese is melted and bubbly.

Step 5: Serve
Garnish with cilantro, sliced jalapeños, and avocado slices. Serve warm and enjoy this keto-friendly, low calorie chicken taco casserole.

Expert Cooking Tips

To make the most of your low carb chicken taco casserole, understanding how each ingredient works can elevate flavor and texture. Shredded chicken adds protein and absorbs spices beautifully, while cauliflower rice keeps the casserole low carb and keto-friendly without losing volume. Bell peppers, onions, and garlic bring natural sweetness and aroma, complementing the chili powder, cumin, and paprika for classic taco flavor. Cheese and sour cream create creamy, cheesy layers that bind everything together. Using fresh toppings like cilantro, avocado, or jalapeños enhances taste and presentation. By following these tips, you can make this chicken cauliflower taco casserole, low calorie Mexican chicken casserole, or keto chicken taco casserole with cauliflower rice even more flavorful, family-friendly, and customizable.

💡 Expert Tips:

Use rotisserie chicken for quick assembly and enhanced flavor
Swap cauliflower rice with low carb tortillas for a keto chicken taco casserole twist
Add extra vegetables like zucchini or mushrooms for more fiber
Mix in cream cheese for a richer, creamier low carb chicken taco casserole
Season gradually and taste test to balance the chili powder, cumin, and paprika
Top with avocado, cilantro, or jalapeños for freshness and color
Make ahead and store in the fridge for up to 4 days for easy weeknight dinners

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This low carb chicken taco casserole is a delicious, family-friendly meal that proves healthy eating doesn’t have to be boring. Packed with tender shredded chicken, flavorful spices, and cheesy goodness, it’s perfect as a keto chicken taco casserole with cauliflower rice or a low calorie Mexican chicken casserole for weight loss. Quick to prepare, customizable, and ideal for busy weeknights or special occasions, this chicken cauliflower taco casserole delivers all the comfort of traditional tacos while staying low carb, low calorie, and full of flavor.

Low Carb Chicken Taco Casserole

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• Author: Savannah
• Total Time: 40 minutes
• Yield: 6–8 servings 1x
• Diet: Vegetarian

Print Recipe

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Description

A hearty, cheesy chicken taco casserole that’s low in carbs and perfect for keto or low-calorie diets. Made with cauliflower rice, shredded chicken, and flavorful Mexican spices, this casserole delivers all the taco goodness without the carbs of tortillas or traditional rice. Perfect for weeknight dinners or meal prep!

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Ingredients

Scale 1x2x3x

🛒 Ingredients (serves 6–8):

For the Casserole:

• 3 cups cooked chicken, shredded (rotisserie or baked)

• 3 cups cauliflower rice

• 1 cup diced bell peppers (any color)

• 1 small onion, diced

• 2 cloves garlic, minced

• 1 cup canned diced tomatoes, drained

• 1 cup shredded cheddar cheese (or Mexican blend)

• ½ cup sour cream (optional for creaminess)

• 1 tsp chili powder

• 1 tsp cumin

• ½ tsp paprika

• ½ tsp salt

• ¼ tsp black pepper

• 1–2 tbsp olive oil

For Topping (Optional):

• ½ cup shredded cheese

• Sliced jalapeños

• Fresh cilantro

• Avocado slices

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Instructions

📝 Instructions:

Step 1: Prepare the Vegetables
Heat olive oil in a large skillet over medium heat. Add diced onions, bell peppers, and garlic. Sauté for 3–4 minutes until softened.

Step 2: Cook Cauliflower Rice
Add cauliflower rice to the skillet and cook 5–6 minutes until slightly tender. Season with chili powder, cumin, paprika, salt, and pepper.

Step 3: Mix Chicken and Veggies
In a large mixing bowl, combine shredded chicken, sautéed vegetables, cauliflower rice, diced tomatoes, sour cream (if using), and 1 cup shredded cheese. Mix until well combined.

Step 4: Bake the Casserole
Preheat oven to 375°F (190°C). Transfer the mixture into a greased 9×13-inch baking dish. Top with remaining cheese. Bake 20–25 minutes until cheese is melted and bubbly.

Step 5: Serve
Garnish with fresh cilantro, sliced jalapeños, and avocado if desired. Serve warm.

Notes

• Meal Prep: Store leftovers in an airtight container for up to 4 days.
• Protein Swap: Replace chicken with ground beef or turkey if preferred.
• Extra Creamy: Stir in cream cheese for a richer texture.
• Make it Spicy: Add diced green chilies or hot sauce to taste.

• Prep Time: 15 minutes
• Cook Time: 25 minutes
• Category: Dessert
• Method: Oven-Baked
• Cuisine: Mexican-Inspired