If you're a fan of guacamole, this recipe is for you. Top your air fryer hamburgers with a generous dollop of homemade guacamole. Mash ripe avocados with lime juice, diced tomatoes, onions, and cilantro. Season with salt and pepper to taste. Serve the guacamole-topped burgers on a bun with lettuce and enjoy the creamy and flavorful combination.