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Keto Breakfast Casserole with Cheese

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A rich, savory breakfast casserole packed with protein and healthy fats. Layers of tender vegetables, melted cheddar, and fluffy eggs create a keto-friendly dish that’s perfect for meal prep and low-carb mornings.

  • Total Time: 50
  • Yield: 6 servings 1x

Ingredients

Scale

12 large eggs
4 cups shredded extra sharp cheddar cheese
1 red bell pepper, diced
1 small onion, diced
2 cups fresh spinach, chopped
1 cup heavy cream
2 tablespoons olive oil
1 teaspoon salt
1/2 teaspoon black pepper

Instructions

Preheat oven to 350°F (175°C) and grease a 9×13-inch baking dish
Heat olive oil in a skillet, sauté bell pepper and onion until softened
Add spinach and cook until wilted; set aside
In a large bowl, whisk eggs with heavy cream, salt, and pepper until frothy
Fold in cooked vegetables and half the cheddar cheese
Pour mixture into prepared baking dish and top with remaining cheddar
Bake for 30-35 minutes until golden and puffed
Let rest 10 minutes before slicing and serving

Notes

Use extra sharp cheddar for the boldest flavor
For meal prep, store cooled portions in airtight containers
Substitute spinach with kale if preferred
Ensure baking dish is well-greased for easy release

  • Author: Sabella
  • Prep Time: 15
  • Cook Time: 35
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Keto

Nutrition

  • Serving Size: 1 slice (approx. 1/6 of casserole)
  • Calories: 420
  • Sugar: 1g
  • Sodium: 500mg
  • Fat: 32g
  • Saturated Fat: 20g
  • Carbohydrates: 5g
  • Fiber: 2g
  • Protein: 18g
  • Cholesterol: 280mg