Brown beef in a skillet over medium; drain excess fat.

Add seasoning and water; simmer 3-4 minutes until thickened. Set aside.

Preheat air fryer to 375°F.

Fill tortillas with 2 tablespoons meat and a sprinkle of cheese each; fold in half.

Lightly spray both sides with cooking spray; stand in air fryer basket or taco rack.

Air fry 6-8 minutes until tortillas are golden and crispy.

Remove carefully; top with tomatoes, lettuce, and sour cream. Serve.