Prepare the mixture as instructed, but refrigerate the egg and veggie mixture in a mixing bowl or in the buttered baking dish for up to two days.
Bake as directed, knowing that your dish may require a few extra minutes in the oven since it’s starting off cold (especially if you refrigerated in the baking dish).
Breakfast Casserole Serving Suggestions
This breakfast casserole would fit in nicely with any breakfast spread. Here are some general suggestions:
Avocado Toast or any other toast
Bagels with cream cheese and toppings
Crispy Hash Browns, which you can make in a skillet while the frittata cooks
Muffins, pancakes and waffles
Salads, for an all-around healthy meal
Please let me know how your breakfast casserole turns out in the comments!
Make this healthy breakfast casserole recipe for the holidays or busy weekday mornings! Featuring red bell peppers, spinach and creamy cheese, this casserole is wholesome, hearty and full of fresh flavor. Recipe yields 8 generous servings.
