INGREDIENTS
3 cups
all-purpose flour
1 tsp
salt
3 sticks
unsalted butter, at room temperature
2 1/2 cups
sugar
2 tsp
grated lime zest
2 tsp
grated lemon zest
5
large eggs, at room temperature
3/4 cup
lemon-lime soda
2 cups
confectioners' sugar, sifted
2 tbsp
unsalted butter, melted
2 tbsp
lemon juice
1
to 2 Tbsp. lime juice