INGREDIENTS
1 3/4 cups
all-purpose flour
1/4 tsp
baking powder
1/4 tsp
salt
1 1/2 sticks
unsalted butter, softened
2 tbsp
chilled solid vegetable shortening
1/3 cup
granulated sugar
1/4 cup
packed dark brown sugar
1 1/2 tsp
molasses
1
large egg
1 tsp
pure vanilla extract
3 cups
confectioners' sugar
2
large egg whites
2 tsp
fresh lemon juice
Sprinkles