* 8 ounces butter (2 sticks), room temperature
* 1/2 cup powdered sugar
* 2 cups all-purpose flour
* 1/2 teaspoon baking powder
* 2 ounces unsweetened chocolate, melted
* 1/2 teaspoon vanilla extract
Combine all ingredients; knead with hands to combine. Press into lightly buttered pans (or roll out to about 1/2-inch on a floured board and cut into shapes). Bake at 325° for about 20 minutes.
Cut into wedges while warm or break apart.