low carb casserole on white plate

Low Carb Taco Casserole

This low carb taco casserole will keep any Mexican food lover happy!

Per serving: 328 calories, 22g fat, 27g protein, 8g carbs, 3g fiber = 5 net carbs

Course Main Course
Cuisine Mexican
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 6
Calories 328 kcal


  • 1 large head cauliflower
  • 1 tablespoon olive oil
  • 1 teaspoon paprika
  • 1 teaspoon cumin
  • 1/2 teaspoon salt
  • 1 pound ground beef
  • 1 teaspoon paprika
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1 teaspoon chili powder
  • 1 teaspoon salt
  • 1/4 cup water
  • 1 teaspoon cumin
  • 10 ounces Ro*Tel drained
  • 1 cup grated cheddar
  • 1/4 cup chopped cilantro
  • 1 cup grated Monterey jack


  1. Preheat oven to 400 degrees. 

  2. Chop cauliflower into small florets and place in a 9x13 baking dish.

  3. Drizzle the cauliflower with olive oil and sprinkle with paprika, cumin, and salt. Toss to coat.

  4. Bake for 10 minutes.

  5. While cauliflower is cooking, add the ground beef to a skillet and brown. When cooked through, drain the grease and return to the skillet.

  6. Add the paprika, garlic powder, onion powder, chili powder, salt and water to the ground beef and cook for 2 minutes.

  7. Remove cauliflower from oven and spoon the ground beef over the top.

  8. Top with Ro*Tel, grated cheddar, and Monterey jack. 

  9. Cover tightly with foil and return to the oven for 15 minutes.

  10. Remove foil and sprinkle with cilantro. Serve with your favorite taco toppings.

Recipe Notes

Nutrition information does not include any toppings aside from what's listed in the ingredients list.