Preheat oven to 325.
Combine butter and milk in a saucepan, bring to a boil (DO NOT BOIL)
In a separate bowl, beat eggs gradually adding sugar stirring constantly
Add vanilla
Sift flour & salt together in another bowl
Add to egg mixture
Beat until smooth
Gradually add milk and butter mixture beating well.
Add baking powder beating well again
Pour into well greased and floured tube cake pan or 2 8 or 9" pans
Bake 1 hour
Cool for 10 minutes before removing from pan
Serve warm with fruit, whipped cream or powdered sugar sprinkled on top
Note: Half the recipe and bake in 8-9 in square pan for 30 minutes