2 lbs. powdered sugar
2 sticks butter
1/2 tsp. vanilla
1/2 lb. Velveeta cheese
1/2 c. cocoa
Walnuts (opt.)

Melt butter and cheese together over low heat. In separate bowl, mix sugar and cocoa. Remove melted butter and cheese from heat, add to sugar mixture. Add vanilla and nuts (optional), stir. Mixture will thicken. Spread in ungreased pan, harden in refrigerator, cut.