bun: enriched unbleached flour (wheat flour, malted barley flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid, water, sugar, soybean oil, contains less than 2% of each of the following: yeast, wheat starch, salt, wheat gluten, calcium propionate, calcium sulfate, enzymes. beef patty: beef, water, contains 2% or less of: salt, maltodextrin, modified food starch, grill flavor, natural smoke flavor. processed american sharp cheddar cheese: cultured milk and skim milk, cream, sodium citrate, salt, paprika and annatto, sodium phosphate, sorbic acid, acetic acid, sunflower lecithin
May act as a preservative