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Low-carb Tex-Mex casserole topped with green onions, served on a white plate with a red napkin.

Low-carb Tex-Mex casserole

Tami DeGeeter, CPT, CNC
Get ready to experience the bold and spicy flavors of Tex-Mex cuisine with this delicious casserole. Made with hearty ground beef, zesty Tex-Mex seasoning, and tangy crushed tomatoes, it's baked to perfection and topped with a layer of gooey cheese, zesty jalapenos, and savory olives. With every bite, you'll be transported to the heart of Texas, where big, bold flavors reign supreme. It's the perfect dish for feeding a crowd or a cozy night with the family. Give this Tex-Mex casserole a try and discover the mouthwatering flavors of the Southwest for yourself.
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Prep Time 2 minutes
Cook Time 28 minutes
Total Time 30 minutes
Course Lunch and Dinner
Makes 4 servings
Serving Size 1½ cups
Net Carbs 7 g
*Net carbs are per serving

Ingredients
 

  • 1 tablespoon olive oil
  • 1 ½ pounds ground beef, (or ground turkey)
  • 1 cup crushed tomatoes
  • 3 tablespoons Tex-Mex seasoning
  • 2 ounces jalapeños, sliced
  • 2 ounces black olives, sliced
  • 2 cups cheddar cheese, shredded
  • Garnish: sour cream, green onions, guacamole

Instructions
 

  • Preheat your oven to 400F/200C.
    Close-up view of temperature knob on an oven, preheat oven to cook a meal.
  • In a large skillet over medium-high heat, add oil. Add ground beef, cook until no longer pink, breaking the meat up with a spatula.
    Top view of skillet cooking ground beef to make low-carb Tex-Mex cheesy casserole.
  • Add Tex-Mex seasoning and crushed tomatoes. Stir until well combined. Lower heat to medium and let simmer for 5 minutes.
    Top view of ground beef and tomato mixture to make low-carb Tex-Mex casserole.
  • Transfer the ground beef mixture to a 2-quart baking dish. Top with jalapeños, sliced olives, and cheese.
    Top view of assembling low-carb Tex-Mex casserole with a layer of ground beef and tomatoes, topped with jalapenos, black olives, and cheddar cheese.
  • Bake for 15 minutes, or until golden.
    Top view of low-carb cheesy Tex-Mex casserole out of the oven, with melted cheese, surrounded by avocado, guacamole, green onions, and sour cream.
  • Garnish and serve with sour cream, green onions, and guacamole. Enjoy!
    Top view of low-carb Tex-Mex casserole in a baking dish and also served on a white dinner plate.

Video

Nutrition

Nutrition Facts
Low-carb Tex-Mex casserole
Serving Size
 
1.5 cups
Amount per Serving
Calories
678
% Daily Value*
Net Carbohydrates
 
7
g
Carbohydrates
 
10
g
Fiber
 
3
g
Sugar
 
4
g
Protein
 
59
g
Fat
 
43
g
Saturated Fat
 
19
g
Trans Fat
 
0
g
Polyunsaturated Fat
 
2
g
Monounsaturated Fat
 
16
g
Cholesterol
 
206
mg
Sodium
 
690
mg
Potassium
 
857
mg
24
%
Vitamin C
 
23
mg
28
%
Vitamin A
 
212
µg
30
%
Calcium
 
469
mg
47
%
Iron
 
7
mg
39
%
Nutrition facts are an estimate and are provided as a courtesy. Nutrition facts are sourced from the USDA Food Database. Values may vary depending on brand of ingredients used.

Equipment

Cast iron skillet
Cast Iron Skillet
Set of 3 rectangle baking dishes
Rectangle Baking Dishes
Keywords Cheesy Mexican Casserole, Cheesy Tex-Mex Casserole, Keto Tex-Mex Casserole, Low-Carb Tex-Mex, Tex-Mex Casserole
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