This mayonnaise tastes almost exactly the same as store-bought mayo, except that it is healthier and Gluten-Free. Most mayonnaise you buy in stores has white vinegar in it, which contains wheat. This mayo can be stored in a glass jar (with a lid on top) in the refrigerator for about eight days. INGREDIENTS: 2 eggs 2 tablespoons apple cider vinegar ½ a teaspoon salt, or to taste ½ a teaspoon pepper (white pepper will be invisible in the mayo, but black pepper is fine) 1 to 2 ...