INGREDIENTS
1 1/2 cups
all-purpose flour
1 1/4 cups
bread flour
1 tsp
baking soda
1 tsp
baking powder
1 tsp
fine sea salt
2 sticks
unsalted butter, at room temperature
1/2 cup
granulated sugar
1 1/4 cups
lightly packed brown sugar
2 tsp
vanilla
2
large eggs plus 1 egg yolk, at room temperature
2 cups
semi sweet chocolate chips