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Savory Pizza-Style Breakfast Bake

A hearty, protein-packed egg casserole featuring savory turkey sausage, zesty turkey pepperoni, and melted cheese, all layered with high-fiber bread.

  • Total Time1 hour 20 minutes
  • Yield8 servings 1x

Ingredients

Scale

Sausage and Vegetable Base

  • 2 tablespoons olive oil
  • 1 large yellow onion (chopped (approx. 2 cups))
  • 8 ounces fresh mushrooms (sliced)
  • 1.75 pounds 28 oz ground turkey sausage
  • 1 teaspoon Italian seasoning
  • 0.5 teaspoon smoked paprika
  • 0.5 teaspoon fine sea salt
  • 0.25 teaspoon ground black pepper
  • 0.25 teaspoon red pepper flakes (optional, for heat)

Egg Custard Mixture

Casserole Assembly

  • 7 slices high-fiber whole-wheat bread (cut into 1-inch cubes)
  • 1 cup 8 oz no-sugar-added pizza sauce
  • 2 cups 8 oz shredded reduced-fat Italian cheese blend (mozzarella, provolone)
  • 4 ounces approx. 1 cup turkey pepperoni slices
  • 1 tablespoon fresh parsley (chopped (for garnish))

Instructions

  1. Preheat and Prep: Position an oven rack in the center and preheat to 375°F (190°C). Lightly coat a 9×13 inch casserole dish with cooking spray.
  2. Sauté Aromatics: Heat the olive oil in a large, deep skillet over medium-high heat. Add the chopped onion and cook for 4-5 minutes, stirring, until it begins to soften.
  3. Cook Sausage: Add the ground turkey sausage, Italian seasoning, smoked paprika, salt, pepper, and optional red pepper flakes. Use a wooden spoon to break up the sausage into small crumbles.
  4. Add Mushrooms: Once the sausage is nearly cooked through (about 5-7 minutes), add the sliced mushrooms. Continue to cook for another 3-4 minutes, until the sausage is fully browned and the mushrooms are tender. Remove from heat.
  5. First Layer: Spread half of the high-fiber bread cubes evenly across the bottom of the prepared casserole dish. Top with half of the sausage/onion mixture, half of the turkey pepperoni, and half of the shredded cheese.
  6. Second Layer: Repeat the process, layering the remaining bread cubes, the rest of the sausage mixture, and the remaining shredded cheese.
  7. Prepare Custard: In a blender or a medium bowl with a whisk, combine the 9 eggs, unsweetened almond milk, and ground flaxseed meal. Blend or whisk vigorously until smooth and slightly frothy.
  8. Pour and Top: Pour the egg mixture as evenly as possible over the entire casserole. Dollop the pizza sauce in spoonfuls across the top. Arrange the remaining turkey pepperoni slices over the surface.
  9. Bake and Rest: Bake uncovered for 40-45 minutes, or until the casserole is golden brown, bubbly, and the center is set (an inserted knife should come out clean). Let the casserole rest for 10 minutes before slicing. Garnish with fresh parsley and serve warm.

Notes

Nutrition Facts per Serving: Calories: 508 kcal | Total Fat: 27 g (Saturated Fat: 9.2 g) | Total Carbs: 28.2 g (Fiber: 6.3 g, Sugars: 9 g, Net Carbs: 21.9 g) | Protein: 41.4 g | Sodium: 1125 mg

These values are approximate and may vary based on ingredients and preparation.

  • Prep Time: 20 minutes
  • Cook Time: 45 minutes
  • Category: Breakfast
  • Cuisine: American

Nutrition

  • Calories: 508

Find it online: https://cosmoglamor.com/2025/10/21/the-best-diabetic-breakfast-casserole-pizza-style/