Active time: 20 min Start to finish: 1 hr

　　

Ingredients

Makes about 36 cookies

　　3/4 cup all-purpose flour

　　3/4 cup unsweetened cocoa powder

　　1/2 teaspoon baking soda

　　1/2 teaspoon salt

　　1 1/2 sticks (3/4 cup) unsalted butter, softened

　　1 cup sugar

　　2 large eggs

　　1 teaspoon vanilla

　　

Step 1

Preheat oven to 375°F.

　　

Step 2

Whisk together flour, cocoa, baking soda, and salt in a medium bowl.

　　

Step 3

Beat together butter and sugar with an electric mixer until pale and fluffy, then beat in eggs and vanilla until combined. Add flour mixture and mix just until combined.

　　

Step 4

Drop level tablespoons of dough about 2 inches apart onto ungreased baking sheets and bake in batches in middle of oven until puffed and set, about 12 minutes. Transfer cookies to a rack to cool.