INGREDIENTS
1
Egg, large
1 1/4 cups
All-purpose flour
1/4 tsp
Baking soda
1/4 cup
Brown sugar, packed light
3/4 cup
Chocolate chips, semisweet
1/4 cup
Granulated sugar
3/4 cup
Milk-chocolate chips
1/2 tsp
Salt, coarse
1 tsp
Vanilla extract, pure
7 tbsp
Butter, unsalted
3 tbsp
Sour cream