These Costco Mini Quiches are a game-changer for busy mornings or effortless brunches. Made by Cuisine Adventures and sold at Costco, these frozen quiches come in two delicious flavors—Three Cheese and Florentine. In this quick recipe, we’ll show you how to cook them perfectly in an air fryer, ensuring a crisp, golden crust and warm, flavorful filling in under 15 minutes. Whether you’re hosting a brunch, preparing school lunches, or looking for a satisfying snack, this Costco Mini Quiche recipe makes frozen breakfast feel gourmet. You’ll love how the air fryer elevates the texture without extra oil or cleanup. Plus, it’s a great way to serve a healthy frozen breakfast without sacrificing taste or convenience.