Making the perfect dressing requires some know-how and a few key ingredients.u003cbr/u003eu003cbr/u003eButtermilk is one of those essential ingredients, but sometimes it can be hard to come by. Fortunately, there's a simple solution to this dilemma: make your own buttermilk at home.u003cbr/u003eu003cbr/u003eTo make your own buttermilk, all you need is 1 tablespoon of vinegar or lemon juice, and 1 cup of standard milk.u003cbr/u003eu003cbr/u003eSimply combine these two ingredients in a measuring cup, being sure to mix them together thoroughly.