INGREDIENTS
3/4 cup
all-purpose flour
1/4 tsp
baking soda
1/4 tsp
baking powder
1/4 tsp
salt
1/4 cup
or 2 ounces) unsalted butter, softened
1/4 cup
packed brown sugar
2 tbsp
granulated sugar
1
egg yolk, room temperature
1/2 tsp
vanilla extract
1/2 cup
semisweet chocolate chips