INGREDIENTS
3/4 cup
unsalted butter, softened
1 cup
sugar
3
eggs, separated
1/2 tsp
vanilla extract
1 cup
all-purpose flour
1/2 tsp
baking soda
1/2 tsp
salt
3/4 cup
buttermilk
1/2 cup
evaporated milk
1/2 cup
sweetened condensed milk
1/2 cup
coconut milk
1 cup
lightly toasted flaked coconut (Mounds or Angel Flake brand), optional for garnishing the frosting
5
large egg whites
5 1/2 cups
sugar
4 sticks
unsalted butter, diced and softened
1/4 tsp
salt
1 tbsp
vanilla
1 cup
dulce de leche, room temperature (click here for a homemade recipe with a step-by-step pictorial instructions)