To prepare a gourmets chicken tetrazzini cheese recipe, first you need to prepare the chicken. First, you will need the following ingredients: 1 pound boneless, skinless chicken breasts 2 tablespoons mayonnaise 1 teaspoon kosher salt 2 teaspoons butter 1 tablespoon melted butter Instructions: Heat the olive oil over medium-high heat. Add the onion and cook until softened, about 5 minutes. Then add the garlic and saut? until fragrant, 1 minute. Stir in the parsley and salt and pepper to taste. Cook, stirring, until the onions and garlic are lightly browned, 2 to 3 minutes more. Remove the pan from the heat and add 1 cup of the shredded mozzarella cheese. Toss to coat the cheese evenly. Spread the mixture evenly on the bottom of an oven-proof dish and bake for 20 to 25 minutes or until heated through. Serve warm.