If you like quick and easy casseroles as much as I do, don’t forget to try my easy Big Mac casserole or Philly cheesesteak casserole next!
Ingredients & Substitutions
Here I explain the best ingredients for low carb taco casserole, what each one does in the recipe, and substitution options. For measurements, see the recipe card.
Avocado Oil – For frying ground beef. Use any neutral cooking oil you like. Ground Beef – I typically use 85/15 grass-fed ground beef, but any kind will do. If you’re not a fan of ground beef, you can easily substitute with ground turkey, ground chicken, or even Mexican chorizo. Taco Seasoning – Can’t have a keto taco casserole without the taco meat, and that means taco seasoning! I make my own taco seasoning blend, but you could use store bought mixes as well. Note that my seasoning contains salt, but if yours does not, add 1 1/2 to 2 teaspoons of salt. Bell Peppers – Use orange, yellow, or red bell peppers for color variety. Onion – I used a yellow onion, but white or red onions work as well. Diced Tomatoes With Green Chilies – Chilies add a bit of heat. If you prefer a more mild keto Mexican casserole, replace one or both cans with plain diced tomatoes instead. Just watch the size — the ones with chiles are 10 ounces each but the ones without are usually 14.5 ounces, and you want 20 ounces total for the recipe regardless of whether you use the ones with or without the chiles. Cheddar Cheese – Use a good melting cheese for the perfect finish. You could substitute with Mexican cheese blend, mozzarella, Colby jack, or Monterey jack if you prefer.
How To Make Keto Taco Casserole In A Crock Pot
This section shows how to make Crock Pot taco casserole, with step-by-step photos and details about the technique, to help you visualize it. For full instructions with amounts and temperatures, see the recipe card.
How To Make Keto Taco Casserole In The Oven
You could also try my Mexican ground beef casserole instead, which is very similar and made in the oven. Otherwise, the casserole may be watery when it’s done cooking. If that happens, you can just use a large serving spoon or ladle to remove extra liquid before adding the cheese.
Storage Instructions
Store: Allow the casserole to cool completely before storing. Then, transfer it to an airtight container and store in the refrigerator for up to 5 days. Meal prep: You can make this easy keto taco casserole ahead of time in multiple ways. Brown the ground beef and assemble the rest of the casserole when you are ready to cook it, keep it on the keep warm setting in your Crock Pot for up to 4 hours, or store the entire casserole in the fridge for up to 5 days. Reheat: You have multiple options for reheating. Warm it in the slow cooker on high until hot, reheat it in the microwave, or put it in a casserole dish and throw it in the oven at 350 degrees F. (If you are transferring the casserole to the slow cooker or another dish, add a fresh sprinkle of shredded cheese on top before reheating.) Freeze: You can freeze your oven baked or Crock Pot taco casserole, as long as it doesn’t have toppings on it. (Fresh toppings won’t freeze well.) Let it cool completely, then store an airtight container or freezer bags in the freezer for up to 6 months.Thaw overnight, reheat until hot, and add your toppings.
Topping Ideas For Crock Pot Taco Casserole
What is the best part about low carb taco casserole? The toppings, of course! Here are some of my faves:
Classic Taco Toppings – I used shredded lettuce, chopped tomatoes, diced avocados, and fresh cilantro. You can also try black olives, green onions, sour cream (perfect if you need to mellow out the heat!), or a squeeze of fresh lime juice. Mexican Sauces – Try this easy keto taco casserole recipe with avocado salsa verde, homemade tomato salsa, or guacamole scooped on top. Keto Tortilla Chips – Adds tons of crunch to your bowl, without tortillas or taco shells. Drinks – Not a topping, but a perfect pairing! Serve up your casserole with a skinny margarita or skinny pina colada on the side for the ultimate Mexican night.
More Low Carb Crock Pot Recipes
Set and forget these keto slow cooker dinners! Please enter your first name for your account. Your saved recipe will also be sent to your email.
Less spicy alternative: Substitute regular diced tomatoes for one or both cans of the diced tomatoes with green chilies. You could use fire-roasted tomatoes for more flavor without the heat. Note on nutrition info: It does not include optional toppings, since what you add (and how much), will vary.
