QUARTER POUND 100% BEEF PATTY-Ingredients: 100% Pure USDA Inspected Beef; No Fillers, No Extenders.Prepared with Grill Seasoning (Salt, Black Pepper).*, BAKERY STYLE BUN-Ingredients: Enriched Flour (Bleached Wheat Flour, Malted Barley Flour, Niacin, Reduced Iron, Thiamin Mononitrate, Riboflavin, Folic Acid), Water, Whole WheatFlour, High Fructose Corn Syrup, Honey, Wheat Gluten, Contains 2% or Less of: Yeast, Soybean Oil, Maltodextrin (Dietary Fiber), Salt, Calcium Sulfate, DoughConditioners (Wheat Flour, DATEM, Ascorbic Acid, Azodicarbonamide, Sodium Stearoyl Lactylate, Mono and Diglycerides, Enzymes, Calcium Peroxide), AmmoniumSulfate, Natural Flavor (Botanical Source), Calcium Propionate (Preservative), Vitamin D3, Rolled Wheat (Topping).CONTAINS: WHEAT., TOMATO SLICE-Ingredients: ICE-Chicken & Fish, 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.., 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., CRINKLE CUT PICKLES-Ingredients: Cucumbers, Water, Distilled Vinegar, Salt, Calcium Chloride, Sodium Benzoate (Preservative), Natural Flavors (Plant Source), Polysorbate 80,Extractives of Turmeric (Color). , RED ONIONS, LEAF LETTUCE, MUSTARD-Ingredients: Distilled Vinegar, Water, Mustard Seed, Salt, Turmeric, Paprika, Spice Extractive. Source : http://nutrition.mcdonalds.com/getnutrition/ingredientslist.pdf