INGREDIENTS
1 1/2 cups
butter (softened)
3 cups
sugar
5
large eggs
2 tbsp
lemon juice
1 tsp
vanilla extract
3 cups
all-purpose flour
3/4 cup
7UP soda
1 1/2 cups
confectioners' sugar
1 tbsp
lemon or lime juice
1
to 2 tablespoons 7UP soda
1/2 tsp
grated lemon or lime peel (optional)