Seven-Minute Frosting

Billowing and perfectly white like a marshmallow cream or meringue, this cake topper is a lot of fun and a perfect accompaniment for cakes and cupcakes. Sometimes called boiled icing in old cookbooks, it’s fluffy, glossy, and — best of all — comes together fast. Use it right away and don’t let it sit out too long, or it will harden and start to deflate.

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