Ingredients
Cookies:
3 ounces/85g/ 6 tablespoons unsalted butter, room temperature
3 + 3/4 ounces/106.3g / ½ cup sugar
1 + 1/2 ounces/42.52g/ 3 tablespoons brown sugar
3/4 teaspoon salt
1/4 plus 1/8 teaspoons baking powder
1/4 teaspoon baking soda
1/2 teaspoon instant coffee powder
1 + 1/2 teaspoons vanilla extract
2 egg yolks
4 ounces/113.4g / ¾ cup all purpose flour (or rice flour), sifted after measuring
3 ounces/85g / 1 cup cocoa powder, sifted after measuring, plus more for rolling out cookies
Filling:(double this for double stuffed Oreos)
2 ounces/56.7g/ 4 tablespoons unsalted butter at room temperature
5 ounces/141.7 / 1 + ¼ cups powdered sugar, sifted
1 teaspoon vanilla extract
a pinch of salt
Preparation
