Omelet Muffins Simply spray the muffin pan, add in your favorite omelet fixings and cover with egg beaters or egg whites. Bake at 350 for about 30 minutes. Options to try: spinach and feta, salsa and cheddar.chicken and hot sauce.tomatoes and peppers. Mini Quiches, Mini Pies, Mini Tortillas, Egg Muffins, Breakfast Muffins, Omelette Muffins, Mini Muffins, Breakfast Casserole, Breakfast Cupcakes