Ground beef, swiss cheese (pasteurized process swiss cheese (cultured milk, water, skim milk, cream, sodium phosphate, whey, salt, sorbic acid, enzymes), powdered cellulose (to prevent caking), potassium sorbate and natamycin (preservatives).
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.