1/2 lb. Velveeta cheese, cubed (10 slices, 1/2 lb.)
1/2 lb. butter
1/2 c. cocoa
2 lbs. powdered sugar
1 tsp. vanilla

Melt cheese and butter, add cocoa, powdered sugar and vanilla. Pour into oblong 13"x9" pan. Store in refrigerator until hardened, about 15 to 20 minutes.