Preheat oven to 175C.

Cream together butter, sugar and vanilla.

Add the curd and beat until combined. The liquid will be separated but it is fine. Don't panic.

Add the choco chips and mix.

Mix together flour, salt and baking powder in a bowl.

Add the flour to butter mixture and fold it using a wooden spatula or rubber spatula.

Transfer the batter to a buttered 15" * 10" baking tray.

Bake for 20-25 minutes.

When a tooth pick comes out clean remove from oven and let it cool in the pan.

Slice it up into squares and enjoy!