Blend together thoroughly, 1/3 cup softened butter and 3 cups powdered sugar.
Add 3 tbl cream and 1 and 1/2 tsp vanilla (use a traditional hand mixer for this stuff and scrape the bowl religiously. It will get lighter and lighter as you mix air into it.)
Add 3 tbl cream and 1 and 1/2 tsp vanilla (use a traditional hand mixer for this stuff and scrape the bowl religiously. It will get lighter and lighter as you mix air into it.)