INGREDIENTS
1 cup
packed light brown sugar
1/2 cup
granulated sugar
1/2 cup
salted butter, softened
1
large egg
3 tbsp
whole milk
1 1/2 tsp
vanilla extract
2 cups
(about 9 oz.) all-purpose flour
1 tsp
baking soda
1/4 tsp
table salt
1 1/2 cups
semisweet chocolate chips, divided