Recipes with Unsalted butter at room temperature

Cupcake filled with Ferrero Roche & amp; Nutella frosting

12 cupcakes: Preheat the oven to 175 degrees and prepare 12 cupcake molds. Use a whipping cream to mix cocoa, flour, baking soda and salt together. Whip with electric whip or kitchen machine, butter and sugar until light and airy, about 2 minutes. Add eggs