Peanut Butter Marble Cupcakes

Ingredients:

150g butter
90g Peanut Butter
240g caster sugar
4 eggs
240g self-raising flour
10g cocoa powder

Method:

1. Preheat oven to 175 Celsius. Place paper baking cases in muffin tray
2. Combine butter, peanut butter, caster sugar, eggs and flour in a mixer. Beat until smooth and pale, about 2 to 3 minutes.
3. Take out half of batter to add in cocoa powder, mix well forms cocoa batter.
4. Spoon batters alternately into the cases. Bale for 20 minutes or until cook.
5. Remove tray from oven and cool for 5 minutes. Then remove the cupcakes and cool on a rack.

*remarks: can bake about 12 pcs of cupcakes