INGREDIENTS
3/4 cup
unsalted butter
3/4 cup
light brown sugar
1/4 cup
granulated sugar
1 large
egg
1 large
egg yolk
1 1/2 tsp
vanilla extract
1 1/2 cups
flour
1 cup
old-fashioned oats
1/4 cup
cornstarch
1 tsp
baking soda
3/4 tsp
kosher salt
12 oz
bittersweet chocolate chips