Ingredients 4 ounces (1 stick) cold unsalted butter, cut into 1/4-inch pieces and refrigerated 1 1/2 cups all-purpose flour (8 ounces) 2 teaspoons baking powder 1 teaspoon kosher salt 3/4 cup whole milk Directions 1. Preheat oven to 400°F and line a baking sheet with parchment paper; alternatively grease a baking sheet with butter. 2.…