Oil over butter: Vegetable oil’s 100% fat content keeps cakes softer for longer, unlike butter which contains water that evaporates and can dry out the crumb. Flavor unlocking: Blooming cocoa powder ...

Mix up this baking essential — or a good substitute — in minutes. Stacey Ballis is a novelist, cookbook author, and food writer with 20 years of experience. She has authored a cookbook called "Big ...