Rudi's Gluten Free Egg & Cheese Frittata with Sausage Breakfast Sandwiches

Brioche Buns (Water, Rice Flour, Corn Starch, Modified Tapioca Starch, Cane Sugar, Canola Oil, Corn Dextrin, Yeast, Egg Whites, Corn Meal, Vegetable Glycerin, Tapioca Starch, Salt, Baking Powder [Monocalcium Phosphate, Sodium Bicarbonate, Corn Starch], Xanthan Gum, Sugar Cane Fiber, Honey, Hydroxypropyl Methylcellulose, Distilled White Vinegar, Natural Flavor, Cellulose Gum, Natural Vanilla Flavor, Beta Carotene [Color], Calcium Sulfate, Enzymes), Liquid Whole Egg, Sausage Patty (Pork, Water, Salt, Spices, Dextrose, Sugar, Natural Flavor, Lime Juice Concentrate), Cheddar Cheese (Milk, Cultures, Salt, Enzymes, Annatto [Color]), Dehydrated Onion, Garlic Powder, Black Pepper, Salt.