If you are beginning to learn vocabulary for food and drink, here are some sites where you can learn and practice: Vocabulary List, Food and Drink Video, and Ordering Food in a Restaurant.
Do you work in a restaurant or bar? If so, you might find this link for professionals helpful.
Finally, here are three of my favorite sites related to food and drink: Food and Wine, Saveur, and 101 Cookbooks. These are great if you like to cook, or just want to read about cooking and travel!