INGREDIENTS
2 1/4 cups
flour
1 tsp
baking soda
1 1/2 tsp
corn starch
1/2 tsp
salt
3/4 cup
butter and slightly
1 cup
brown sugar
1/4 cup
granulated sugar
1 large
egg yolks eggland's best egg plus 1
2 tsp
vanilla extract
1 cup
semi-sweet chocolate morsels
1 serving
sea salt optional: sprinkle of