Given the task definition and input, reply with output. In this task, you will be presented with the directions of a recipe separated by "," and have to fill in the "___" which is a step that is missing from the recipe.

Cook spaghetti as directed.,Over medium heat in hot oil, cook garlic until tender.,Stir in tomatoes, basil and salt, stirring until hot.,Drain spaghetti; toss gently with tomato mixture, Mozzarella and Parmesan.,______,Serves 4.
Serve immediately.