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5.0 from 21 votes

Easy Keto Taco Casserole Recipe

This easy keto taco casserole is filling, hearty and flavourful comfort food. Garnish with your favourite Mexican toppings and enjoy!

Prep Time
5 mins
Cook Time
5 mins
Total Time
50 mins
Servings: 6
Calories: 417 kcal
Course: Main Course
Cuisine: Mexican

Ingredients

  • 1 lb ground beef
  • 1 small yellow onion finely diced (70g)
  • 2 tablespoon taco seasoning or more, to taste
  • ⅔ cup water 160 ml, or beef stock
  • ½ cup red bell pepper diced (74g)
  • 1 tin chopped tomatoes 400g / 14oz
  • ½ cup sour cream 120g
  • 1 cup cheddar cheese shredded (113g)
  • 1 - 2 diced green jalapeño chilli optional (14g)
Taco Seasoning (makes approx. 2.5 tbsp)
  • 1 tablespoon chilli powder I used mild
  • ¾ teaspoon paprika
  • 1 teaspoon cumin
  • ¼ teaspoon garlic powder
  • ¼ teaspoon dried onion powder
  • ¼ teaspoon oregano
  • ¾ teaspoon salt
  • ½ teaspoon black pepper
Optional Garnish:
  • 2 medium spring onions / scallions (30g)
  • 10 black olives sliced (30g)
  • 6 cherry tomatoes diced or salsa (65g)
  • 2 tablespoon chopped coriander (8g)
  • 1 avocado (200g)

Instructions

    Cup of Yum
  1. Preheat the oven to 350 Fahrenheit / 180 Celsius.
  2. Make the homemade taco seasoning by mixing everything in a bowl. This makes slightly more (approximately 2.5 tbsp) than you need. Add 2 tablespoons for this recipe. Option to add the rest if you prefer more heat.
  3. Heat a tablespoon of olive oil in a cast iron skillet (or nonstick frying pan). Fry the onions and ground beef for 4 - 5 minutes, breaking up the meat, until browned.
  4. Add the peppers, taco seasoning, tinned tomatoes and ⅔ cup of water or beef stock. Bring to a boil, then reduce to a simmer and cook for about 7 minutes until thickened, stirring occasionally.
  5. If necessary, transfer the beef mixture into an oven-proof casserole dish. I kept mine in the 26 x 5cm round cast iron pan. Spread over the sour cream and top with shredded cheese.
  6. Bake in the oven for 25 - 30 minutes uncovered or until the cheese is melted.
  7. Allow to cool slightly and top with optional garnishes of choice.

Notes

  • Makes 6 servings. 5.5g net carbs per serving with garnishes, 4.4g net carbs without garnishes. 
  • Storage: Fridge for 3-4 days, freezer for 4-6 months (freeze without the toppings).
  • You can use shop-bought taco seasoning instead of making your own spice mix. Make sure that it does not contain any hidden sugars! 

Nutrition Information

Calories 417kcal (21%) Total Carbohydrates 10.7g Protein 21.1g (42%) Fat 32.9g (51%) Fiber 5.2g (21%) Sugar 4.5g (9%)

Nutrition Facts

Serving: 6Serving

Amount Per Serving

Calories 417

% Daily Value*

Calories 417kcal 21%
Total Carbohydrates 10.7g 4%
Protein 21.1g 42%
Fat 32.9g 51%
Fiber 5.2g 21%
Sugar 4.5g 9%

* Percent Daily Values are based on a 2,000 calorie diet.