Oatmeal-Chocolate Chip Waffle Cookies

INGREDIENTS

1/2 cup

unsalted butter, melted

1/2 cup

plus 2 Tbs. firmly packed light brown sugar

large eggs

1 tsp

vanilla extract

3/4 cup

unbleached all-purpose flour

1/2 tsp

baking soda

1/4 tsp

salt

1 1/2 cups

old-fashioned rolled oats (not instant)

1 cup

semisweet chocolate chips

Nonstick cooking spray