Go Back
–+ servings
Sausage and Spinach Breakfast Casserole

Sausage and Spinach Breakfast Casserole for Hearty Mornings

Savor the hearty flavors of this Sausage and Spinach Breakfast Casserole, a flexible, high-protein, low-carb breakfast option.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 45 minutes
Chilling Time 2 hours
Total Time 3 hours
Servings: 8 slices
Course: Breakfast
Cuisine: American
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Casserole Base
  • 12 oz sausage (chicken, pork, or beef) Ground chicken or turkey can also work well.
  • 12 large eggs Binds the ingredients and packs a protein punch.
  • ½ cup milk Choose full-fat for richness or low-fat to cut calories.
For the Vegetables
  • 3 cups fresh spinach Kale makes a great substitute.
  • ½ medium yellow onion (diced) Swap with red or white onion if desired.
  • 2 cloves garlic (minced) Garlic flakes can be used as a quick alternative.
  • 1 green bell pepper (diced) Mixing in other bell pepper colors adds an appealing touch.
  • 1 red bell pepper (diced) Complements the green bell pepper with a touch of sweetness.
For Flavoring
  • ½ cup cheddar (grated) Consider mozzarella for a milder option.
  • 2 tsp olive oil Any cooking oil will suffice.
  • 2 tsp paprika powder Essential for a flavorful casserole.
  • 1 tsp garlic powder Enhances the overall flavor profile.
  • 1 tsp onion powder Adds another layer of onion goodness.
  • ½ tsp dried dill Introduces a fresh herbal note.
  • ½ tsp dried rosemary Adds aromatic depth.
  • ½ tsp red pepper flakes Adjust based on your heat preference.
  • Salt and black pepper To taste; essential for rounding out the flavors.

Equipment

  • 9x13 baking dish
  • large skillet
  • Mixing bowl

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 375°F (190°C) and prepare a 9x13 baking dish by spraying it lightly with oil.
  2. In a large skillet, brown the sausage over medium-high heat for about 5–7 minutes until cooked through. Transfer to the baking dish.
  3. In the same skillet, add olive oil and sauté onions, garlic, spinach, and bell peppers for 6–7 minutes until softened. Season with salt and pepper.
  4. Layer the cooked vegetables evenly over the sausage in the baking dish.
  5. In a bowl, whisk together eggs, milk, cheese, paprika, garlic powder, onion powder, dill, rosemary, red pepper flakes, salt, and pepper.
  6. Pour the egg mixture over the layers in the baking dish, ensuring everything is well covered.
  7. Sprinkle remaining cheese on top of the casserole.
  8. Cover with plastic wrap and refrigerate for at least 2 hours or overnight.
  9. Remove plastic wrap and bake for approximately 45 minutes until golden brown.
  10. Allow to cool for about 10 minutes before slicing into squares and serving.

Nutrition

Serving: 1sliceCalories: 350kcalCarbohydrates: 10gProtein: 25gFat: 20gSaturated Fat: 8gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gCholesterol: 300mgSodium: 600mgPotassium: 400mgFiber: 2gSugar: 2gVitamin A: 2500IUVitamin C: 25mgCalcium: 200mgIron: 3mg

Notes

Customize with different sausage and vegetable combinations to suit your taste preferences. Store leftovers in an airtight container for up to 3 days.

Tried this recipe?

Let us know how it was!