Spider Web Cupcakes

Cupcakes

• 170 g caster sugar
• 70 g unsalted butter, soft
• 70 g peanut butter
• 2 large eggs
• 1 tsp vanilla bean paste
• 230 g plain flour
• 1 ½ tsp baking powder
• ¼ tsp fine sea salt
• 260 g whole milk
• 190 g chocolate chips

Royal Icing

• 200 g caster sugar
• 1 egg white, from a large egg
• 4 - 5 drops lemon juice

Frosting

• 170 g unsalted butter, diced, soft
• 320 g icing sugar
• 60 g cocoa powder
• 120 g whipping cream
• 1 tsp natural vanilla extract
• 1 ½ tsp food colouring paste, black (可选的)