Air Fryer Tuna Melts (Crispy in 10 Minutes) - My Home Made Recipe

Ingredients

• 10 ounces tuna, drained.
• 1/4 cup mayonnaise.
• 3 tablespoons red onion, diced.
• 3 tablespoons celery, diced.
• 1 tablespoon chopped fresh parsley.
• 1 tablespoon lemon juice.
• 1 teaspoon Dijon mustard.
• Salt and black pepper to taste.
• 4 slices sourdough bread or your choice.
• 4 slices sharp cheddar cheese.
• 1 tablespoon unsalted butter.