INGREDIENTS
3/4 cup
unsalted butter, softened to room temperature
1 cup
granulated sugar
1
large egg, at room temperature
1 tsp
pure vanilla extract
1
and 1/2 cups (188g) all-purpose flour (spoon & leveled)
3/4 cup
unsweetened natural cocoa powder (or dutch process)
1 tsp
baking powder
1/8 tsp
salt