Black Forest Cupcakes - A better choice!

Ingredients

• Cupcake Mixture
• 125g butter or margarine
• 1/2 cup caster/raw sugar
• 1/2 cup plain yoghurt
• 2 eggs
• 2 cups self-raising flour
• 1 teaspoon baking powder
• 1/3 cup dark cocoa, sifted
• 1/2 cup milk
• 200g pitted cherries, halved
• Icing & Decoration
• 125g butter
• 1 cup icing sugar mixture
• 1 teaspoon vanilla paste
• 1 tablespoon milk
• 12 whole cherries with stem on