The Secret Ingredient That Gives Bland Tomatoes An Umami Boost - Chowhound

Santiago Urquijo/Getty Images Remember that time you bought cream of tartar just to use a teaspoon in a cookie recipe? If that jar of white powder is now collecting dust in your spice cabinet, here's a surprising new use for it: making tomatoes taste better. Cream of tartar — potassium bitartrate, a byproduct of winemaking — can rebalance the acidity of tomatoes without altering their natural taste. Even…