Maintaining a gluten-free diet can be challenging any time of year, but the holiday season brings added risks. Gluten appears in far more foods than most people realize, and some items that seem safe can contain hidden sources of wheat, barley or rye.
For individuals who avoid gluten by preference, trace amounts may not pose a major concern. But for those with celiac disease or gluten sensitivities, even small exposures can cause serious health issues. Clear labeling plays a vital role, yet not all gluten-containing ingredients are required to appear on allergen lists. According to Gluten.org, “wheat” must be disclosed, but “barley” and “rye” are not classified as major allergens under FDA guidelines. As a result, some products may contain gluten without obvious warning.
Here are common places where gluten can hide during holiday cooking, dining and celebrating.
Sauces, Dressings and Seasonings
Soy sauce remains one of the most frequent offenders. Traditional versions are brewed with fermented wheat, meaning they are not gluten-free unless specifically labeled otherwise. Teriyaki sauce, barbecue sauce and many marinades also contain soy sauce, wheat flour or malt vinegar — all potential gluten sources.
Packaged seasonings may also be problematic. Taco seasoning, soup mixes and gravy packets often include wheat as a thickening agent. Even broths and stocks can contain gluten through ingredients such as yeast extract derived from barley. While ketchup and mustard are usually safe, some brands use wheat flour for texture, so checking ingredient lists is essential.
Cheese and Processed Meats
Holiday charcuterie boards can pose unexpected risks. While plain cheese is gluten-free, some varieties include additives or flavorings that are not. Hard cheeses soaked in beer contain barley, and certain blue cheeses are made using penicillium cultures grown on wheat.
Processed meats require equal caution. Sausages commonly use bread as a filler, imitation meats often contain seitan — a wheat-based protein — and even oat-based products may be contaminated unless certified gluten-free. Some deli meats use gluten as a binder, making it necessary to ask questions at the counter. Beef jerky can also contain gluten when seasoned with soy sauce.
Restaurant Risks and Cross-Contamination
Dining out during the holidays adds another layer of uncertainty. Even seemingly safe dishes can contain hidden gluten based on preparation methods.
Some restaurants add pancake batter to scrambled eggs and omelets to create a fluffier appearance. Rice pilaf may include wheat-based seasonings or be prepared with orzo instead of rice. French fries can be coated in batter or seasoned with wheat flour, and shared fryers increase the risk of cross-contamination.
Gravies are another concern, as many are thickened with wheat flour. Desserts also pose risks: flavored ice creams, ice cream sandwiches and milkshakes may contain gluten, and certain ice pops may include barley-derived ingredients.
Drinks and Mixers
Gluten can also appear in beverages. Traditional beer is brewed with barley, though gluten-free varieties are available. Some cocktail mixers contain wheat or barley derivatives, and hard lemonades or wine coolers may be fermented with malt.
Even non-alcoholic drinks are not always safe. Some specialty coffees and teas include barley, and cocoa mixes may contain wheat or barley malt powder to enhance flavor. Toppers such as marshmallows can also include gluten-based additives.
Staying Safe This Season
With so many possible sources of hidden gluten, careful label reading and ingredient checks are essential. When in doubt — especially for individuals with medical gluten sensitivities — it’s best to verify ingredients or choose certified gluten-free products.
The holidays bring plenty of reasons to celebrate. With a little extra caution, those who avoid gluten can enjoy the season safely and confidently.
