INGREDIENTS
1
Egg, large
2 cups
All-purpose flour, plain
1 tsp
Baking powder
1/2 tsp
Baking soda
3/4 cup
Brown sugar, light
1/4 cup
Caster/granulated sugar
2 tsp
Cornflour/cornstarch
1/4 tsp
Salt
2 tsp
Vanilla extract
1/2 cup
Butter, unsalted
1 cup
Chocolate chips or chunks (175g)