INGREDIENTS
1 1/4 cups
all-purpose flour, lightly spooned into measuring cups and leveled with a knife
1 tsp
baking powder
1/2 tsp
salt (omit if using salted butter)
2/3 cup
Dutch-process unsweetened cocoa powder
1/2 cup
butter
1/2 cup
sugar
1/2 cup
dark brown sugar
1 1/2 tsp
vanilla
1/2 tsp
hazelnut extract (you can substitute 1/2 teaspoon vanilla if you can’t find or don’t like hazelnut extract)
1/3 cup
Nutella
1/3 cup
milk