Name: Super Decadent Chocolate Cupcakes
Yield: 16 cupcakes
Ingredients: For the cupcakes:; 3 tablespoons coconut OR canola oil; 1 stick unsalted butter, melted and slightly cooled; 1/2 cup semi-sweet chocolate chips; 1 cup granulated sugar; 2 large eggs + 1 large egg yolk, at room temperature; 1 teaspoon vanilla; 3/4 cup + 2 tablespoons all-purpose flour, not packed; 1/2 teaspoon baking soda; 1 teaspoon baking powder; 1/2 cup unsweetened cocoa powder; 1/2 teaspoon salt; 1/2 cup full fat sour cream; 1/2 cup hot coffee OR hot water; For the Fudgy Buttercream:; 1 stick unsalted butter; 3 cups confectioners sugar; 3/4 cup unsweetened cocoa powder; 2 tablespoons sour cream; 3 tablespoons whole milk or half and half; 1/4 teaspoon salt; 1 teaspoon vanilla