Butter Frosting

Directions

1. 1
   Combine butter, sugar and milk in large saucepan; stir well. Place over medium heat and bring to a boil until soft ball stage. Stir constantly.
2. 2
   Remove from heat.
3. 3
   Beat egg whites at room temperature until stiff peaks form.
4. 4
   Continue to beat while slowly adding hot mixture.
5. 5
   Beat until mixture cools and thickens.