Description
This Healthy Overnight Breakfast Casserole is a veggie-packed, protein-rich morning favorite you can prep the night before. With wholesome ingredients and bold flavor, it’s perfect for holiday brunches, meal prep, or any busy morning.
Ingredients
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6 slices whole grain or sprouted bread, cubed (about 200g)
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6 large eggs
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1 ½ cups unsweetened almond milk (or milk of choice)
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1 cup chopped spinach (fresh or frozen, thawed)
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1 cup diced red bell pepper
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½ cup chopped onions
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1 cup low-fat shredded cheddar cheese
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1 cup cooked turkey sausage or vegetarian sausage, chopped
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½ teaspoon garlic powder
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½ teaspoon onion powder
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Salt and pepper to taste
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Optional add-ins: chopped mushrooms, kale, or cherry tomatoes
Instructions
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Prepare Dish: Grease a 9×13-inch baking dish with nonstick spray.
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Layer Ingredients: Spread cubed bread on the bottom. Layer turkey sausage, spinach, peppers, onions, and cheese on top.
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Mix Egg Base: In a bowl, whisk eggs, almond milk, garlic powder, onion powder, salt, and pepper.
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Assemble: Pour egg mixture evenly over casserole. Lightly press down to help absorption.
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Refrigerate: Cover with foil or plastic wrap and refrigerate overnight.
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Bake: Preheat oven to 350°F (175°C). Bake uncovered for 45–50 minutes until set and golden.
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Serve: Cool slightly before slicing. Garnish with fresh herbs if desired.
Notes
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Use day-old bread for best texture.
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Sauté vegetables before layering for extra flavor.
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Can be made 1–2 days ahead and kept covered in the fridge.
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Great for freezing in individual portions.