Little cakes of horror

Ingredients

• Cupcakes
• 125 gram butter, softened
• 1 teaspoon vanilla extract
• 3/4 cup (165g) caster sugar
• 2 eggs
• 1 1/2 cup (225g) self-raising flour
• 1/2 cup (125ml) milk
• 36 (120g) sour worms
• 6 large white marshmallows
• 6 black sweets
• white writing icing
• Butter cream
• 185 gram butter, softened
• 2 1/4 cup (360g) icing sugar
• 2 tablespoon milk
• green and red food colouring