Black and White Cookies

Name: Black and White Cookies
Prep time: 20 min
Cook time: 20 min
Total time: 2 h
Yield: 12
Ingredients: Ingredients; Vanilla Icing; 2 cups powdered sugar; 3-4 tablespoons whole milk; 1 teaspoon vanilla extract; Pinch of salt; 2 cups all-purpose flour; 1/2 teaspoon baking powder; 1/2 teaspoon salt; 1/2 cup unsalted butter, softened; 2/3 cup granulated sugar; 1 large egg; 1/2 cup whole milk; 1 teaspoon vanilla extract; 1/2 teaspoon lemon extract (optional); Chocolate Icing; 1 cup powdered sugar; 3 tablespoons unsweetened cocoa powder; 2-3 tablespoons whole milk; 1/2 teaspoon vanilla extract; Pinch of salt