Cheesy Vegetarian Breakfast Casserole kalynskitchen.com Make this delicious Cheesy Vegetarian Breakfast Casserole when you have vegetables that need to be used! We used mushrooms, green peppers, Feta, and Monterey Jack, but see other options. submitted by KalynsKitchen breakfast casserole gluten-free keto low-carb vegetarian Entry Permalink Report Post