In a mixing bowl, crack the 6 large eggs and pour in 1/2 cup of whole milk. Add 1 teaspoon of kosher salt, 1/2 teaspoon of garlic powder, and 1/2 teaspoon of black pepper. Whisk the ingredients together until they are well combined and frothy.
Stir in 1/4 cup of shredded sharp cheddar cheese into the egg mixture. This will give your frittata that delicious cheesy flavor.
Preheat your air fryer to 300°F (150°C) for about 3-5 minutes. This ensures even cooking from the start.
If your air fryer basket is non-stick, you can pour the egg mixture directly into it. If not, lightly grease your oven-proof dish and pour the mixture in.
Place the basket into the air fryer and set the timer for 12-15 minutes. Check for doneness around the 10-minute mark; the frittata should be set in the middle and slightly golden on top.
Once cooked, carefully remove the frittata from the air fryer. Let it cool for a few minutes before slicing and serving. Enjoy it warm or at room temperature!
