INGREDIENTS
1
Egg, large
1/2 cup
Peanut butter, creamy
1/2 cup
Oats, old-fashioned
1 3/4 cups
All-purpose flour
1/4 tsp
Baking powder
1/2 tsp
Baking soda
1/2 cup
Brown sugar, light or dark
1/2 cup
Granulated sugar
1/2 tsp
Salt
1/2 cup
Semi-sweet chocolate chips
1 tsp
Vanilla extract
1/2 cup
Walnuts
1/2 cup
Butter, unsalted