Keto Breakfast Casserole with Sausage and Spinach

User Reviews

5

171 reviews
Excellent
  • Prep Time

    20 mins

  • Cook Time

    25 mins

  • Additional Time

    10 mins

  • Total Time

    55 mins

  • Servings

    9 servings

  • Calories

    285 kcal

  • Course

    Breakfast

  • Cuisine

    American

Keto Breakfast Casserole with Sausage and Spinach

This Keto Breakfast Casserole layers browned breakfast sausage and lightly wilted spinach in a custard of eggs, heavy cream, and seasoned with garlic powder, red pepper flakes, salt, and pepper. Cheddar cheese is incorporated inside and sprinkled on top, then baked to set the eggs and melt the cheese, yielding a savory, rich breakfast dish with a firm custard texture and a hint of heat.

Description

Keto Breakfast Casserole with Sausage and Spinach blends sautéed pork sausage browned in a skillet with fresh baby spinach leaves slightly wilted from residual pan heat. The mixture forms the base in a greased 9-inch square pan. A mixture of large eggs, heavy cream, garlic powder, kosher salt, black pepper, and red pepper flakes is blended with half of the shredded cheddar cheese and poured over the sausage and spinach.

After gently spreading the ingredients evenly, the remaining shredded cheddar is sprinkled on top before baking at 400°F until the eggs are set and the cheese is melted and lightly browned. The result is a hearty dish with a firm, creamy texture from the custard-like eggs and cream, combined with savory sausage pieces and the earthiness of spinach. The red pepper flakes add a mild, manageable spice.

The casserole is cut into nine squares for servings. It reheats well in the microwave at lower power and can be eaten cold or warmed. Frozen leftovers are stored in separated portions to maintain quality. The recipe allows using fresh garlic instead of powder and suggests draining thawed frozen spinach thoroughly to prevent sogginess.

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Ingredients

Servings
  • 8 egg large
  • ¼ cup heavy cream
  • ½ teaspoon kosher salt or ¼ teaspoon of any other salt, including Morton kosher salt, Diamond Crystal brand
  • ¼ teaspoon black pepper
  • ½ teaspoon garlic powder
  • ¼ teaspoon red pepper flakes
  • 1 cup cheddar cheese shredded, divided; 4 ounces
  • 1 pound pork sausage raw, breakfast
  • 2 cups baby spinach leaves 2 ounces

Instructions

  1. Preheat the oven to 400°F. Lightly grease a square 9-inch pan.
  2. In a large bowl, whisk the eggs with the heavy cream, salt, pepper, garlic powder, and red pepper flakes. Use a rubber spatula to mix in ½ cup of the shredded cheddar. Set aside.
  3. Heat a large 12-inch nonstick skillet over medium-high heat. There’s no need to add oil. Add the sausage and cook, stirring and breaking it up, until browned, 5-7 minutes. There's no need to drain the fat.
  4. Turn the heat off and mix in the spinach leaves (you can leave them whole) just until they are very slightly wilted from the pan’s residual heat.
  5. Transfer the sausage-spinach mixture to the prepared baking dish, spreading it evenly on the bottom.
  6. Remix the eggs and pour them into the pan on top of the sausage mixture. If needed, gently stir the mixture inside the pan to evenly spread the sausage and spinach.
  7. Sprinkle the remaining ½ cup of cheese on top of the casserole.
  8. Bake the casserole until the eggs are set and the cheese is golden brown. In my oven, it takes 25 minutes.
  9. Allow the casserole to rest for 10 minutes before cutting it into nine squares and serving.

Notes

  • Cut the casserole into nine equal squares; one square per serving.
  • Fresh garlic can substitute garlic powder for flavor variation.
  • Adjust the red pepper flakes to taste or omit for less spice.
  • If using frozen spinach, defrost and drain thoroughly to avoid excess moisture.
  • Store leftovers in the refrigerator for 3-4 days and reheat gently in the microwave at 50% power.
  • Freeze individual squares up to three months, separating layers with wax paper to prevent sticking.

Nutrition Information

Show Details
Serving 1square Calories 285kcal (14%) Carbohydrates 1g (0%) Protein 16g (32%) Fat 24g (37%) Saturated Fat 10g (50%) Sodium 528mg (22%)

Nutrition Facts

Serving: 9servings

Amount Per Serving

Calories 285 kcal

% Daily Value*

Serving 1square
Calories 285kcal 14%
Carbohydrates 1g 0%
Protein 16g 32%
Fat 24g 37%
Saturated Fat 10g 50%
Sodium 528mg 22%

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

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Overall Rating

5

171 reviews
Excellent

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