1/2 lb. Velveeta cheese
2 sticks butter
2 boxes powdered sugar
1/2 c. cocoa
1 tsp. vanilla
1/2 lb. pecans, chopped

Combine sugar, cocoa and pecans. Melt cheese and butter in microwave, mixing well as it melts. Combine cheese mixture with dry ingredients. Add vanilla and pecans. Mix well. Mixture will be stiff. Spread in 9 x 13 inch buttered pan. Chill and cut into squares.