INGREDIENTS
2 1/2 cups
cake flour
2 tsp
cornstarch
1 1/2 tsp
baking powder
1/2 tsp
salt
1/2 cup
butter, at room temperature
1/4 cup
shortening
1 cup
granulated sugar
Zest of 1 large lemon
1
large egg
1
large egg white
1 tsp
lemon extract
1 tsp
vanilla extract
1/3 cup
salted butter, at room temperature
2 1/2 cups
powdered sugar
1/2 tsp
lemon extract
2 tbsp
fresh lemon juice
yellow food coloring or yellow sprinkles, optional