I will say upfront that this post is much longer than usual. I'm sorry about that, but I want to document how I made this cake. I hope you will try this at home.
I was pleased with how well this cake turned out. It was pretty but it also tasted good.
Cake Boss Vanilla Buttercream Recipe
5 sticks softened butter
5 cups powdered sugar
1 Tablespoon vanilla
1/4 teaspoon fine sea salt
3 Tablespoon lukewarm water