Buttercream Icing

• powdered sugar↗600g g

  sifted

• unsalted or salted butter↗300g g

  soft

• lemon zest↗дрібно натерте

  finely grated

• orange zest↗дрібно натерте

  finely grated

• vanilla extract↗дрібка
• food colouring↗кілька крапель

  a few drops

• cocoa powder↗

  to taste

Step-by-step instructions

1. 1

   Beat the 600 g sifted powdered sugar and 300 g butter together with the chosen flavoring and food colouring (if using), add 2–3 tbsp hot water to thin, and whisk until smooth.

2. 2

   Fill a pastry bag fitted with a star tip and pipe the frosting onto cupcakes, or spread it across the center and top of a 20 cm cake using a spatula.