INGREDIENTS
1 cup
flour
1/4 cup
dutch-processed cocoa powder
1/2 tsp
baking soda
1/4 tsp
sea salt
1/2 cup
butter
1/2 cup
granulated sugar
1/2 cup
brown sugar
1 large
egg
1 tsp
vanilla
1/2 cup
nutella
1 cup
semi-sweet chocolate chips optional
3/4 cup
hazelnuts