1 (4 oz.) pkg. chocolate and pudding and pie filling
1 pkg. Betty Crocker sour cream chocolate fudge cake mix
1 pkg. Betty Crocker sour cream chocolate fudge frosting mix
1/2 c. chopped nuts

In large saucepan, cook pudding and pie filling as directed on package. Blend dry cake mix thoroughly into hot pudding by hand or mixer 1-2 minutes. Pour into greased and floured 9x13x2 inch pan. Bake at 350 degrees for 30-35 minutes. Cool. Prepare frosting mix as directed. Frost cake, sprinkle with nuts.