World'S Best Chocolate Cake
["1 box chocolate cake mix", "1 small box instant chocolate pudding", "8 oz. sour cream", "4 eggs", "1/2 c. vegetable oil", "1/4 c. water", "1 tsp. vanilla", "6 oz. chocolate chips", "3/4 c. chopped pecans (optional)"]
["Coat chocolate chips and pecans in 3 tablespoons dry cake mix. Mix remaining ingredients together.", "Fold in chocolate chips and pecans.", "Bake at 350\u00b0 for 50 minutes in a greased and floured tube or Bundt pan.", "Cool completely before frosting."]
["chocolate cake mix", "chocolate pudding", "sour cream", "eggs", "vegetable oil", "water", "vanilla", "chocolate chips", "pecans"]