Name: Decadent Chocolate Cupcakes with Vanilla Buttercream Frosting (Gluten Free)
Prep time: 20 min
Cook time: 15 min
Total time: 45 min
Yield: 14 to 16 cupcakes
Ingredients: 1/2 cup (1 stick; 113g) butter, at room temperature; 2 cups confectioners' sugar, sifted, or more as needed; 1 tbsp pure vanilla or vanilla paste; 1/4 tsp kosher salt; 2 to 3 tbsp cream or half and half; 3/4 cup (90g) gluten-free flour blend; 1/2 cup unsweetened cocoa powder; 1 tsp espresso powder, optional; 1 tsp baking powder; 1/2 tsp baking soda; 1/2 tsp kosher salt; 1/2 cup (1 stick; 113g) butter, at room temperature; 3/4 cup granulated sugar; 2 large eggs; 1 tbsp pure vanilla extract or vanilla paste; 1/2 cup sour cream