INGREDIENTS
1 cup
butter
1 cup
powdered sugar
1 large
egg
2 1/2 tsp
vanilla extract
1
vanilla bean lengthwise
1 serving
lemon zest
2 1/2 cups
flour
1 tsp
salt
3 cups
powdered sugar
2 tbsp
meringue powder
5 tsp
lemon juice
4 tbsp
water
1 serving
sprinkles and nonpareils