Ingredients
Casserole Ingredients
- 1 lb Breakfast beef sausage Can substitute with turkey beef sausage
- 1 medium Yellow Onion Shallots can be used for a milder flavor
- 8 cups Sourdough Bread Gluten-free bread is an option
- 2 cups Gruyère Cheese Can use cheddar or mozzarella as substitutes
- 1 cup Parmesan Cheese Pecorino Romano is a good alternative
- 8 Eggs Egg substitutes can be used for a vegan version
- 2 cups Whole Milk Almond milk is a great non-dairy substitute
- 1 cup Heavy Cream Coconut cream works as a dairy-free option
- 2 tbsp Dijon Mustard Yellow mustard can serve as a milder substitute
- to taste Salt Adjust to preference
- to taste Black Pepper Adjust to preference
- to taste Ground Nutmeg Adjust to preference
Notes
For best results, prepare the casserole the night before and bake in the morning.