Triple Chocolate Pudding Cake

This cake is moist and delicious!

1 box regular chocolate pudding (not instant)
1 (18.25 ounce) box chocolate cake mix
Chocolate chips
Nuts, chopped (optional)

Prepare pudding according to package directions. Allow to cool slightly. Stir in cake mix. Pour into a 13 x 9-inch cake pan. Sprinkle chocolate chips and nuts over the top. Bake as directed on cake mix box. Cut into squares.