Rich and Moist Chocolate Cupcakes with Whipped Chocolate Buttercream - My Home Made Recipe

Ingredients

• 1 3/4 cups (220 g) all-purpose flour
• 1 3/4 cups (350 g) granulated sugar
• 3/4 cup (65 g) unsweetened cocoa powder
• 2 teaspoons baking soda
• 1 teaspoon baking powder
• 1 teaspoon fine salt
• 1/2 cup (120 ml) neutral oil, such as canola or vegetable oil
• 2 large eggs, room temperature
• 1 cup (240 ml) buttermilk, room temperature
• 2 teaspoons vanilla extract
• 1 cup (240 ml) hot coffee or very hot water
• 1 cup (226 g) unsalted butter, softened
• 3/4 cup (65 g) unsweetened cocoa powder, sifted
• 3 1/2 cups (420 g) powdered sugar, sifted
• 1/4 cup to 1/3 cup (60-80 ml) heavy cream or whole milk, room temperature
• 1/4 teaspoon fine salt
• Chocolate curls, mini chocolate chips, or sprinkles, for garnish