It's hard to believe the unusual 5-ingredient dough known as pâte à choux could be the foundation of so many popular desserts from profiteroles to cream puffs. Today on Martha Bakes, learn how to make this magical dough for three spectacular filled desserts: pâte à choux swans swimming in a pond of chocolate, custardy coconut eclairs, and a gorgeous, towering pink croquembouche. Impressive desserts fit for royalty!