enough for 12 cupcakes / genug für 12 Cupcakes – 250 g Butter (Zimmertemperatur) / 250 gram butter (room temperature) – 2 ml Vanillearoma / 2 ml vanilla extract – 250 g gesiebter Puderzucker / 250 g sifted powdered sugar – 3 Esslöffel Nutella / 3 tablespoons Nutella – 2 Teelöffel Milch / 2 teaspoons milk |