INGREDIENTS
1 cup
butter melted and then cooled for at least 5 minutes
1 cup
light brown sugar, tightly packed
3/4 cup
sugar
2
eggs + 1 egg yolk, room temperature preferred
1 1/2 tsp
vanilla extract
2 1/2 cups
all purpose flour
2 tsp
cornstarch
1
/2 teaspoon baking powder
1 tsp
salt
1/2 cup
Nutella