Transport your taste buds to the Mediterranean with this flavorful air fryer hamburger recipe. Mix ground beef with minced garlic, dried oregano, and crumbled feta cheese. Shape the mixture into patties and cook them in the air fryer until they are cooked through. Serve the burgers on toasted buns with sliced cucumbers, tomatoes, red onions, and a drizzle of tzatziki sauce. The combination of the juicy beef patty, tangy feta cheese, and refreshing Mediterranean toppings will take your burger game to a whole new level!