Chocolate, Peanut and Raisin Cupcakes with Peanut Butter Icing

Name: Chocolate, Peanut and Raisin Cupcakes with Peanut Butter Icing
Prep time: 15 min
Cook time: 1 h 30 min
Total time: 1 h 30 min
Yield: 12 pieces
Ingredients: 125 g unsalted butter; 100 g soft brown sugar; 2 Tbsp golden syrup; 2 large eggs; 200 g self-raising flour; 150 g milk; ½ tsp natural vanilla extract; 100 g chocolate raisins; 100 g chocolate peanuts; 220 g unsalted butter; 260 g smooth peanut butter; 120 g icing sugar; ½ tsp natural vanilla extract; 1 Tbsp dry-roasted peanuts, unsalted