A Whatacatch Sandwich from Whataburger contains the following ingredients:
Small White Bun: Unbleached enriched flour (wheat flour, malted barley flour, niacin, reduced iron, thiamin mononitrate, riboflavin, folic acid), water, high fructose corn syrup, soybean oil, contains 2% or less of each of the following: yeast, wheat gluten, salt, dough conditioners (contains one or more of the following: sodium stearoyl lactylate, calcium stearoyl lactylate, monoglycerides, mono- and diglycerides, distilled monoglycerides, calcium peroxide, calcium iodate, datem, ethoxylated mono- and diglycerides, enzymes, ascorbic acid), calcium sulfate, calcium carbonate, ammonium sulfate, sorbic acid, soy flour, monocalcium phosphate, soy lecithin, and calcium propionate (to retard spoilage). May also contain grain vinegar, cornstarch, citric acid, and potassium iodate, and calcium phosphate. Contains: Wheat, Soy. Bun Oil for Small White Bun: Liquid and hydrogenated soybean oil, soy lecithin, natural & artificial flavor, beta-carotene (color), TBHQ and citric acid added to protect flavor, dimethylpolysiloxane, an anti-foaming agent added. Tartar Sauce: Soybean oil, dill relish (cured cucumber, water, distilled vinegar, salt, xanthan gum, sodium benzoate and potassium sorbate [as preservatives], calcium chloride, natural flavors, polysorbate 80), distilled vinegar, egg yolks, contains less than 2% of sugar, salt, onion, mustard bran, sodium benzoate and potassium sorbate (as preservatives), garlic, spice, natural flavor, calcium disodium EDTA added to protect flavor. Tomato: U.S. No. 1 tomatoes coated with vegetable-, petroleum-, beeswax-, and/or shellack-based wax or resin. Iceberg Lettuce: U.S. No. 1 crisphead (Iceberg) lettuce. Whatacatch® Fish Filet: Alaska pollock, water, bleached and unbleached wheat flour, modified food startch, contains 2% or less of: yellow corn flour, garlic powder, dehydrated onion, salt, spices (including celery seed), leavening (sodium acid pyrophosphate, sodium bicarbonate), palm oil, yeast, hot sauce (cayenne peppers, vinegar, salt, garlic powder), ascorbic acid, malted barley flour, maltodextrin, corn syrup solids, onion powder, citric acid, concentrated lemon juice, natural flavor. (Note: Deep-fried in Whataburger ZTF liquid shortening. Menu items that are deep-fried may come in contact with other products that contain gluten, wheat, dairy, egg, soybean, fish, or animal products.)