2 sticks (1 cup) butter, softened
1 jar (7-7 1/2oz.) marshmallow cream
1 cup confectioner's sugar
1 tsp. vanilla
Beat butter in a medium bowl with mixer on medium speed until creamy. Beat in marshmallow cream. When well blended, beat in confectioner's sugar and vanilla. Increase speed to high and beat 3-4 minutes until fluffy.
Changes - for chocolate frosting beat the butter as directed. Beat in 6 oz. baking chocolate that has been melted and cooled according to it's package. Then add marshmallow cream. Continue to follow the directions for Vanilla Butter cream.