Bun (wheat flour, water, sugar, whey, soybean oil, contains 2% or less of yeast, salt, wheat gluten, soy flour, hydrated mono & diglycerides, calcium propionate), beef patty (beef, water, textured soy flour, contains 2% or less of salt, natural flavor, spice), american cheese (cultured milk and skim milk, water, cream, sodium citrate, salt, sodium phosphate, sorbic acid (preservative), citric acid, artificial color, acetic acid, enzymes, soy lecithin).
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.