"Vanilla frosting is the ultimate topping for cakes or cupcakes. Here the classic is revved up with some malt powder, for a twist so tasty we stole a few spoonfuls of frosting to eat straight up. What to buy: Malted milk powder is a natural sweetener made from barley malt, wheat, and milk, and is the key ingredient in malted milk shakes. Look for it next to the powdered chocolate milk and other drink mixes at your local grocery store. Game plan: The frosting will last up to 1 week when stored in an airtight container in the refrigerator...."