INGREDIENTS
1
Egg, large
175 g
chocolate chips
1 3/4 cups
All-purpose flour, plain
1 tsp
Baking powder
1/2 tsp
Baking soda
1/4 cup
Brown sugar, light
1/2 cup
Caster/granulated sugar
1/4 cup
Cocoa powder
2 tsp
Cornflour/cornstarch
1/4 tsp
Salt
4 tbsp
Instant coffee granules
1
unsalted butter (115g, unsalted
1 tbsp
Water, hot