Chocolate Chips Cupcakes

Recipe from 'Easy Muffins and Cupcakes' by Kevin Chai.

Recipe

Ingredients
230g unsalted butter (room temperature)
155g sugar
4 eggs
200g self-raising flour
2 tbsp cocoa powder
100g chocolate chips

Steps:
1. Preheat oven to 180C.
2. Sift flour and cocoa powder into a mixer bowl.
3. Add sugar, butter and eggs into the flour.
4. Beat the mixture until smooth and pale, about 2-3mins.
5. Fold in the chocolate chips.
6. Spoon batter into the baking paper cups until 60% full and sprinkle some chocolate chips on it.
7. Bake in the preheated oven for 25-30mins.
8. Remove cupcakes and cool on a wire rack.