
¼ cup unsweetened cocoa powder
1 teaspoon baking powder
½ teaspoon baking soda
½ teaspoon salt
½ cup unsalted butter, softened
1 cup granulated sugar
¼ cup brown sugar
2 large eggs
2 teaspoons vanilla extract
1 teaspoon white vinegar
1 tablespoon red gel food coloring
½ cup granulated sugar (for rolling)
1 cup powdered sugar (for coating)