Chocolate Cupcakes

Name: Chocolate Cupcakes
Prep time: 15 min
Cook time: 20 min
Total time: 40 min
Yield: 12 Cupcakes
Ingredients: Ingredients; Cupcakes; 1 cup all-purpose flour; 1/3 cup unsweetened cocoa powder; 3/4 teaspoon baking powder; 1/2 teaspoon baking soda; 1/4 teaspoon salt; 1/2 cup granulated sugar; 1/2 cup brown sugar; 1/3 cup vegetable oil; 1 large egg; 1 teaspoon vanilla extract; 1/2 cup buttermilk; 1/2 cup hot water or coffee (to enhance chocolate flavor); Frosting: (Optional); 1/2 cup unsalted butter, softened; 1 3/4 cups powdered sugar; 1/3 cup unsweetened cocoa powder; 1/4 cup heavy cream (or milk); 1 teaspoon vanilla extract; Pinch of salt