Cook Macaroni: Cook the elbow macaroni according to package directions until al dente. Drain and set aside.
Combine Cheese and Seasonings: In a large bowl, combine shredded cheddar cheese, dry mustard, salt, black pepper, and garlic powder.
Mix with Macaroni: Add the cooked macaroni to the cheese mixture and stir until the macaroni is evenly coated.
Add Milk and Cream: Gradually pour in the room-temperature milk and heavy cream while continuously stirring the macaroni and cheese mixture.
Preheat Air Fryer: Preheat the air fryer to 375°F (190°C).
Transfer to Air Fryer-Safe Dish: Transfer the macaroni and cheese mixture to an oven-safe dish or a baking pan that fits comfortably in the air fryer basket.
Add Topping: Sprinkle with additional shredded cheddar cheese for a cheesy crust.
Air Fry: Place the dish in the air fryer basket and cook for 10-12 minutes, or until the cheese is bubbly and golden brown.
Cool and Serve: Remove the dish from the air fryer and let it cool for a few minutes before serving.
Enjoy your delicious and easily made air fryer macaroni and cheese!
