Margaritas are essential for any Cinco de Mayo celebration. Margarita ice cream from The Galley Gourmet is a boozy treat that adults will absolutely love. This ice cream has all the ingredients of a classic margarita: tequila, triple sec and lime zest. If you don't have an ice cream maker, you can pick up one rather cheaply at your local kitchenware of department store. For full recipe instructions, click here.