INGREDIENTS
12 tbsp
unsalted butter (1 1/2 sticks)
1 cup
brown sugar (dark brown yields moister results)
1/2 cup
white sugar
2
eggs plus 1 egg yolk
1 tsp
vanilla
2 1/2 cups
flour
1 tsp
salt
2 tsp
baking soda
1 tsp
cornstarch
1
package quality dark chocolate chips
coarse sea salt for garnish