1 cup (2 sticks) unsalted butter, room temperature
1 3/4 cups sugar
2 large eggs
3/4 teaspoon peppermint extract
2 cups all-purpose flour
1 cup unsweetened cocoa powder
1 teaspoon baking soda
1/2 teaspoon baking powder
1/2 teaspoon salt
Instructions
Preheat oven to 350 degrees F. Line 2 baking sheets with parchment paper. Using an electric mixer, beat butter and sugar in large bowl until well blended. Beat in eggs and peppermint extract. Add flour, cocoa powder, baking soda, baking powder, and salt and beat until well blended. Form dough into 1 inch balls. Place 2 inches apart on prepared baking sheets. Flatten balls slightly to 1 1/2 inch rounds.
ake cookies until edges begin to firm but center still appears soft, about 13 minutes. Cool on baking sheets 5 minutes. Transfer to racks and cool completely.