What is McDonald's tartar sauce made of?
Tartar Sauce Ingredients: Soybean Oil, Pickle Relish (diced Pickles, Vinegar, Salt, Capers, Xanthan Gum, Potassium Sorbate [preservative], Calcium Chloride, Spice Extractives, Polysorbate 80), Egg Yolks, Water, Onions, Distilled Vinegar, Sugar, Spice, Salt, Xanthan Gum, Potassium Sorbate (preservative), Parsley.