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–+ servings
Breakfast Casserole Recipe

Breakfast Casserole

A warm, savory, cheesy egg dish that’s easy, make-ahead friendly, and perfect for weekend brunch or busy weekday mornings.
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Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 minute
Course Breakfast, Main Course
Cuisine American
Servings 8 servings
Calories 300 kcal

Ingredients
  

  • 8 large eggs room temperature
  • 1¾ cups whole milk
  • 1 cup low-fat Greek yogurt
  • 6 cups cubed day-old whole-grain or sourdough bread
  • 12 oz breakfast sausage (turkey or pork)
  • 1 cup shredded sharp cheddar cheese
  • ½ cup shredded mozzarella
  • 1 small yellow onion, finely chopped
  • 1 red bell pepper, diced
  • 2 cups fresh spinach, roughly chopped
  • 1 tsp kosher salt
  • 2 tbsp fresh chives, snipped

Instructions
 

  • Preheat oven to 375°F. Grease a 9x13 baking dish.
  • Brown sausage in a skillet. Add onion and bell pepper; sauté until soft.
  • In a bowl, whisk eggs, milk, and yogurt. Season with salt and pepper.
  • Spread bread cubes in the dish. Add sausage-veggie mix, spinach, and cheeses. Pour egg mixture over.
  • Cover with foil and chill. Bake covered, then uncovered until golden.
  • Let it rest before slicing. Garnish with fresh chives.

Notes

If using fresh bread, lightly toast cubes to prevent sogginess. Experiment with ingredient swaps for seasonal variations.

Nutrition

Calories: 300kcal
Keyword Breakfast Casserole, Cheesy, Easy Brunch, Make-ahead, Protein-packed
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