Which cake must be made without egg yolks?

- Red Velvet Cake
- Double Chocolate Cake
- Angel Food Cake
- Cheesecake
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Answer: 3
Instead of baking powder, an angel food cake depends on air beaten into egg whites to rise. Egg yolk, which is a fat, will make the cake fall. Similarly, the pan cannot be greased with butter when making angel food cake to prevent the cake from falling.