Keto Sausage and Spinach Breakfast Casserole

Keto Sausage and Spinach Breakfast Casserole Recipe

A protein-packed, low-carb breakfast casserole perfect for meal prep and family brunches.

KEY INFO:
  • Prep Time: 15 minutes
  • Cook Time: 30-35 minutes
  • Total Time: 45-50 minutes
  • Servings: 8-10
  • Calories: 385 per serving
  • Fat: 32g
  • Protein: 23g
  • Carbs: 3g net
  • Difficulty: Easy
  • Diet: Keto, Low-Carb, Gluten-Free
Fresh ingredients, measuring tools, and a 9x13 dish displayed in a bright, modern kitchen for keto breakfast preparation

EQUIPMENT NEEDED:
  • 9×13 inch baking dish
  • Large skillet
  • 2 mixing bowls
  • Whisk
  • Measuring cups and spoons
INGREDIENTS:
  • 1 pound (450g) breakfast sausage
  • 10 large eggs
  • 1 cup (240ml) heavy cream
  • 2 cups (200g) shredded cheddar cheese
  • 4 cups (120g) fresh baby spinach
  • 1 teaspoon garlic powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon red pepper flakes (optional)
METHOD:
    1. Preheat oven to 375°F (190°C) and grease your baking dish.
    2. Brown sausage in a skillet over medium heat, breaking into small crumbles (about 8-10 minutes).
Sausages browning in a cast iron skillet with steam rising, under professional lighting in a rustic kitchen.

    1. Add spinach to hot sausage and cook until just wilted (30-60 seconds).
    2. In a large bowl, whisk eggs, cream, and all seasonings until well combined.
Whisking eggs and cream in a sunlit bowl on a marble countertop, morning light highlighting the stainless steel whisk in action

    1. Transfer sausage-spinach mixture to a baking dish, spreading evenly.
    2. Pour egg mixture over sausage and spinach.
Pouring creamy egg mixture over wilted spinach and sausage base in a casserole dish from a dramatic angle.

  1. Top with shredded cheese.
  2. Bake for 30-35 minutes until center is set and cheese is golden.
  3. Let rest for 5-10 minutes before serving.
Golden brown casserole with melted cheese and steam rising, garnished with herbs on a rustic wooden backdrop

CRUCIAL TIPS:
  • Drain excess sausage fat before adding spinach.
  • Don’t overcook the spinach – it should just barely wilt.
  • Casserole is done when a knife inserted in center comes out clean.
  • Interior temperature should reach 160°F (71°C).
STORAGE & SCALING:
  • Refrigerate up to 3 days.
  • Freeze portions for up to 2 months.
  • Halve recipe for an 8×8 inch dish.
  • Reheat individual portions: microwave for 1-2 minutes.
  • Whole casserole: Reheat at 350°F for 15-20 minutes.
COMMON MISTAKES:
  • Not draining excess sausage fat.
  • Overcooking eggs – they become rubbery.
  • Under-seasoning – eggs need proper seasoning.
VARIATIONS:
  • Italian sausage + mozzarella.
  • Add mushrooms and bell peppers.
  • Substitute kale for spinach.
  • Use different cheese combinations.
  • Add cream cheese for extra richness.

Remember: Success comes down to not overcooking and proper seasoning. This is your fail-proof breakfast prep solution that’ll keep you satisfied and on track with your keto goals.

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