INGREDIENTS
1
Egg, large
1 cup
All-purpose flour
1/2 tsp
Baking powder
1/2 tsp
Baking soda
1/4 cup
Brown sugar, packed dark
1/2 tsp
Cinnamon
3/4 cup
Granulated sugar
1/4 tsp
Iodized salt
1/2 tsp
Vanilla extract
1/2 cup
Walnuts
1/4 cup
Butter, unsalted
1/2 cup
Sour cream, regular