Do you like éclairs? What about profiteroles, cream puffs, and cheesy gougères? Aside from making us drool just thinking about them, the one thing all these pastries have in common is that they are made from pâte à choux — a staple of the French pastry kitchen. Pâte à choux is a paste made of flour, water, butter, and eggs; it’s slightly thicker than a batter, but not quite as thick as a dough. Here’s how to make them.