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Hearty baked taco casserole topped with bubbly melted cheddar cheese, seasoned ground beef, colorful diced tomatoes, red onion, green bell peppers, and fresh chopped cilantro garnish in a white baking dish

Cheesy Keto Taco Casserole


  • Author: Samantha Brooks
  • Total Time: 40 minutes
  • Yield: 68 Servings 1x

Description

A perfect solution for zesty taco flavors without the high-carb shells. This protein-packed casserole uses a unique egg-and-cheese binder to create a rich, cohesive texture with seasoned ground beef and aromatics. It’s filling, satisfying, and carb-conscious.


Ingredients

Scale

The Savory Beef Base

  • 2 lbs ground beef (80/20 or 85/15)
  • 1/2 large onion, diced
  • 1/2 large bell pepper, diced
  • 2 cloves garlic, minced
  • 1 packet keto-friendly taco seasoning

The Low-Carb Binder & Topping

  • 4 large eggs
  • 2 cups shredded Mexican cheese blend (divided)

Instructions

Brown: Preheat oven to 350°F. Sauté beef, pepper, onion, and garlic in a skillet until beef is no longer pink.

Season: Drain excess grease thoroughly. Stir in taco seasoning.

Dish: Transfer beef to a casserole dish in an even layer.

Bind: Whisk eggs with 1 cup of cheese. Pour over beef and toss lightly with a fork so the egg reaches the bottom.

Bake: Top with remaining cheese. Bake for 25 minutes until golden and bubbly. Rest for 5 mins before serving.

Notes

The Egg Binder: Eggs replace traditional starches to provide structure and a custard-like richness while keeping the dish keto-friendly.

Draining is Essential: Thoroughly draining the fat prevents a ‘soupy’ result and allows the egg to emulsify properly with the meat.

Taco Seasoning Check: Many store-bought packets contain cornstarch; use a homemade blend of chili powder, cumin, and garlic powder for a strict keto version.

  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Category: Main Course
  • Method: Skillet / Baking
  • Cuisine: Tex-Mex / Keto

Nutrition

  • Serving Size: 1 Generous Scoop
  • Calories: 420
  • Sugar: 2g
  • Sodium: 680mg
  • Fat: 28g
  • Saturated Fat: 14g
  • Unsaturated Fat: 14g
  • Trans Fat: 0.5g
  • Carbohydrates: 5g
  • Fiber: 1g
  • Protein: 36g
  • Cholesterol: 210mg

Keywords: keto taco casserole, low carb mexican bake, cheesy keto ground beef, egg binder casserole, taco night meal prep, high protein keto dinner, gluten free taco bake