1/4 c. butter
1/4 c. can milk
1 tsp. vanilla
1 lb. box powdered sugar
3/4 c. cocoa
1/4 tsp. salt

Melt butter in saucepan. Stir in milk and vanilla. Stir in cocoa, sugar, and salt mixture a little at a time. Mix until soft and creamy. Press in buttered pan. Chill and cut into squares.