01 -
Preheat oven to 175°C or as specified on cake mix packaging. Line a 12-cup muffin tin with paper cupcake liners.
02 -
Prepare cake mix according to package instructions, including any required eggs, oil, or water. Evenly distribute batter among liners. Bake until a toothpick inserted into the centre comes out clean, then cool cupcakes completely on a wire rack.
03 -
In a stand mixer fitted with the paddle attachment, cream the softened butter until light and fluffy. Beat in half the powdered sugar with milk and vanilla extract until smooth. Gradually incorporate the remaining powdered sugar, ensuring the mixture is free of lumps. Slowly add black food colouring, blending until desired intensity is achieved.
04 -
Spread or pipe black buttercream evenly over cooled cupcakes, smoothing the tops with an offset spatula.
05 -
Using white decorating gel or melted white chocolate, pipe a spiral starting from the centre of each cupcake. Drag a toothpick from the centre to the edge at intervals to form a spiderweb pattern.
06 -
Garnish each cupcake with spider-shaped candies or decorations and a scattering of orange and black sprinkles.