Start your mornings with a delicious Overnight Croissant Breakfast Casserole that’s both easy to prepare and packed with flavor! Made with buttery croissants, eggs, cheddar cheese, and optional sausage, this recipe is perfect for brunch or meal prep. Just mix, refrigerate overnight, and bake for a delightful start to your day. Click to explore the full recipe and make your breakfast unforgettable!
6 large buttery croissants, cut into bite-sized pieces
6 large eggs
2 cups whole milk
1 cup shredded sharp cheddar cheese
1 cup cooked and crumbled sausage (optional)
1 bell pepper, diced (red or green)
1/2 cup onion, diced
1 teaspoon Dijon mustard
1 teaspoon garlic powder
1/2 teaspoon salt
1/4 teaspoon black pepper
Fresh parsley, chopped (for garnish)