Have you ever encountered a chocolatecake recipe that used neither eggs nor butter, but relied on vinegar and baking soda for leavening?
你是否曾经遇到过一款巧克力蛋糕的食谱既不需要鸡蛋，也不需要黄油，而是仅仅依赖醋和苏打粉来进行发酵。
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All you have to do is to mix butter with chocolate, add flour and sugar, cook it for 30 minutes and Bob's your uncle—you've got a perfect chocolate cake!