For the Chocolate Cupcakes:
- 1 1/2 cups all-purpose flour
- 1 cup granulated sugar
- 1/2 cup cocoa powder (unsweetened)
- 1 1/2 teaspoons baking powder
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1/2 cup vegetable oil
- 2 large eggs
- 1 teaspoon vanilla extract
- 3/4 cup milk
- 1/2 cup hot water
For the Buttercream Frosting:
- 1 cup unsalted butter, softened
- 4 cups powdered sugar
- 2–3 tablespoons milk
- 1 teaspoon vanilla extract
- Food coloring (red, green, or your preferred holiday colors)
- Holiday sprinkles or decorations (optional)