INGREDIENTS
1 1/2 cups
unsalted butter (room temperature)
3 cups
granulated sugar
1/2 tsp
salt
5
large eggs (room temperature)
3 cups
sifted cake flour
1/2 cup
7-Up soda
2 tsp
pure lemon extract
1 cup
confectioner’s sugar
3 tbsp
7-Up soda
1/2 tsp
pure lemon extract