Monster cupcakes - Good Food Middle East

Ingredients

• 250g self-raising flour
• 25g cocoa powder
• 175g light muscovado sugar
• 85g unsalted butter, melted
• 5 tbsp vegetable or sunflower oil
• 150g pot fat-free natural yogurt
• 1 tsp vanilla extract
• 3 large eggs
• 85g unsalted butter, softened
• 1 tbsp milk
• ½ tsp vanilla extract
• 200g icing sugar, sifted
• food colourings (optional)
• sweets and sprinkles, to decorate