INGREDIENTS
, softened
, softened
3/4 cup
packed brown sugar
1
egg yolk
1 tsp
vanilla extract
1/2 tsp
baking powder
1/4 tsp
baking soda
1/2 tsp
cinnamon
1/4 tsp
salt
1 1/4 cups
all purpose flour
1
large Granny Smith Apple, or your favorite kind (peeled, cored, and diced small)