INGREDIENTS
2 1/2 cups
all-purpose flour
1 1/2 tsp
baking powder
1/2 tsp
salt
1 cup
granulated sugar
1 tbsp
lemon zest
10 tbsp
unsalted butter, softened partially*
1
large egg
1
large egg white
2 tbsp
sour cream
1 tsp
lemon extract
1 tsp
vanilla extract
1/2 cup
unsalted butter, softened
2 1/2 cups
powdered sugar
2 tsp
lemon zest
2 tbsp
fresh lemon juice
Yellow food coloring and sprinkles ((optional))