INGREDIENTS
3/4 cup
butter (room temperature)
3/4 cup
brown sugar (packed)
3/4 cup
granulated sugar
1 tsp
vanilla
1
egg
1
egg yolk
2 cups
all purpose flour
1 tsp
baking soda
1/2 tsp
salt
12 oz
butterscotch chips
1 tbsp
flaky sea salt (for sprinkling)