INGREDIENTS
1 3/4 cups
all-purpose flour
1/2 tsp
salt
1 tsp
baking powder
1/2 tsp
baking soda
1/4 tsp
ground cinnamon
12 oz
unsalted butter, at room temperature
3/4 cup
granulated sugar
1 1/4 cups
packed light brown sugar
2
large eggs
1 tsp
vanilla extract
3 cups
old-fashioned rolled oats
1 1/2 cups
semisweet chocolate chips
1
egg yolk