Mushroom and Gruyère Croissant Breakfast Casserole

Serving Suggestions: Serve with fresh fruit, a side salad, or crispy bacon for a well-rounded breakfast.
Storage: Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven at 350°F until warmed through.
Variations
Add-Ins: Feel free to add cooked bacon, sausage, or spinach for extra flavor and texture.
Cheese Options: Swap Gruyère for cheddar, Swiss, or feta for different flavor profiles.
Gluten-Free Option: Use gluten-free croissants or bread for a gluten-free version.
FAQ
Can I use fresh croissants? Yes, but day-old croissants absorb the egg mixture better, making the casserole even more flavorful.
Can I prepare this the night before? Absolutely! This dish is perfect for overnight prep. Just cover it with plastic wrap and refrigerate overnight.
This Mushroom and Gruyère Croissant Breakfast Casserole is a luxurious and easy way to elevate your breakfast routine. Perfect for feeding a crowd or enjoying with your family, it’s a delicious start to any morning!