INGREDIENTS
1 cup
+ 2 tablespoons Nutella
1 1/2 cups
all-purpose flour
1/2 cup
cocoa powder
1/4 tsp
salt
1/2 tsp
baking soda
3/4 cup
granulated sugar ( divided)
1/2 cup
brown sugar
1/2 cup
butter (room temperature)
1/4 cup
Nutella
1 tsp
vanilla
1
large egg
1
egg yolk