Vegetarian Recipe: Cheese Sauce Posted by Susan Siow | Dec 14, 2011 | Sauce, Updates, Vegetarian Recipes The vegetarian recipe for Cheese Sauce: Ingredients 4 cheese slices – suitable for vegetarian 1/2 cup evaporated milk 1/2 cup water Method Place all ingredients in a pot. Simmer over low heat and gently stir until boiling. Serve.