Gluten hides in some places you may not thing of. Here are some foods that usually contain gluten. If you're on a gluten-free diet, you need to avoid these as well:
Beer
Good news: Some great new gluten-free beers are available. Not only are smaller, specialty breweries making them, but even the big boys like Budweiser have come out with a gluten-free beer that you can buy just about anywhere beer is sold.
Bread, bread crumbs, biscuits
Cereal
Cookies, cakes, cupcakes, doughnuts, muffins, pastries, pie crusts, brownies, and other baked goods
Cornbread
Crackers
Croutons
Gravies, sauces, and roux
Imitation seafood (for example, imitation crab)
Licorice
Marinades (such as teriyaki)
Pasta
Pizza crust
Pretzels
Soy sauce
Stuffing