Cake flour 100g
Baking powder 1 tsp
Butter 60g at room temp but not melted (salted)
Castor sugar 60g
Egg yolk 2 (35g)
Vanilla extracts 3/4 tsp
Chocolate chips 30g for batter and 10g to sprinkle
Method (preheat oven 180'c and line a rectangular baking tin with parchment paper)
1 cream butter till turn pale yellow and creamy
2 add in sugar in batches to cream into he butter till fluffy and light
3 add egg yolk one by one and mix well in circular motion then add in vanilla extracts
4 fold in flour and milk in alternate batches using spatula (flour in 3 batches and milk in 2 batches, flour being the 1st and the last). Ensure not over mix.
5 fold in chocolate chips
6 lightly pour into the baking tin and bang the tin few time to release air bubbles.
7 sprinkle Choco chips
8 bake at 180'c for 30 mins