Ingredients
100% BEEF PATTY-Ingredients: 100% Pure USDA Inspected Beef; No Fillers, No Extenders.Prepared with Grill Seasoning (Salt, Black Pepper)., REGULAR BUN-Ingredients: Enriched Flour (Bleached Wheat Flour, Malted Barley Flour, Niacin, Reduced Iron, Thiamin Mononitrate, Riboflavin, Folic Acid), Water, High FructoseCorn Syrup and/or Sugar, Yeast, Soybean Oil and/or Canola Oil, Contains 2% or Less: Salt, Wheat Gluten, Calcium Sulfate, Calcium Carbonate, Ammonium Sulfate,Ammonium Chloride, Dough Conditioners (May Contain One or More of: Sodium Stearoyl Lactylate, DATEM, Ascorbic Acid, Azodicarbonamide, Mono andDiglycerides, Ethoxylated Monoglycerides, Monocalcium Phosphate, Enzymes, Guar Gum, Calcium Peroxide), Sorbic Acid (Preservative), Calcium Propionate and/orSodium Propionate (Preservatives), Soy Lecithin.CONTAINS: WHEAT, SOY LECITHIN., TOMATO SLICE-Ingredients: ICE-Chicken & Fish, PASTEURIZED PROCESS AMERICAN CHEESE-Ingredients: Milk, Cream, Water, Cheese Culture, Sodium Citrate, Contains 2% or Less of: Salt, Citric Acid, Sodium Phosphate, Sorbic Acid (Preservative), LacticAcid, Acetic Acid, Enzymes, Sodium Pyrophosphate, Natural Flavor (Dairy Source), Color Added, Soy Lecithin (Added for Slice Separation).CONTAINS: MILK AND SOY LECITHIN., MAYONNAISE DRESSING-Ingredients: Water, Soybean Oil, Distilled Vinegar, Maltodextrin, Modified Food Starch, Enzyme Modified Egg Yolk, Salt, Sugar, Xanthan Gum, Mustard Flour,Potassium Sorbate (Preservative), Lemon Juice Concentrate, Polysorbate 80, Natural Flavor (Animal Source), Calcium Disodium EDTA to Protect Flavor, BetaCarotene (Color).CONTAINS: EGG-Ingredients: USDA Grade A Eggs.CONTAINS: EGG.Prepared with Liquid Margarine: Liquid Soybean Oil and Hydrogenated Cottonseed and Soybean Oils, Water, Partially Hydrogenated Soybean Oil, Salt, Soy Lecithin,Mono and Diglycerides, Sodium Benzoate and Potassium Sorbate (Preservatives), Artificial Flavor, Citric Acid, Vitamin A Palmitate, Beta Carotene (Color).CONTAINS: SOY LECITHIN.., SHREDDED LETTUCE,SLIVERED ONIONS Source : http://nutrition.mcdonalds.com/getnutrition/ingredientslist.pdf