INGREDIENTS
1
Egg, large
1
Egg yolk, large
1 cup
Oats, quick-cooking or old-fashioned
1 tsp
Baking powder
1 tsp
Baking soda
1 cup
Brown sugar, light packed
3 cups
Chocolate chips, semisweet
1/2 cup
Granulated sugar
1 tsp
Kosher salt
1 tbsp
Vanilla extract
1 cup
Butter, unsalted
2 cups
King arthur unbleached all-purpose flour or gluten-free measure for measure flour