INGREDIENTS
1
Egg plus 1 egg yolk, large
1
jar Nutella
2 1/4 cups
All-purpose flour
1 1/4 tsp
Baking soda
1 1/4 cups
Brown sugar, packed dark
1/2 cup
Dark chocolate chips
1/4 cup
Granulated sugar
1/2 cup
Milk chocolate chips
1/4 tsp
Salt
1
Sea salt, Coarse
3/4 cup
Semi-sweet chocolate chips
1 1/2 tsp
Vanilla extract
2 sticks
Butter, unsalted
1 tbsp
Greek yogurt, plain