INGREDIENTS
1 1/2 cups
unsalted butter, at room temperature
3 cups
granulated white sugar
1 tsp
salt
5
large eggs, at room temperature
3 cups
sifted cake flour
1/2 cup
7UP soda, at room temperature
1 tbsp
lemon extract
1 cup
powdered sugar
3 tbsp
7UP soda
1/2 tsp
lemon extract