Chocolate Pumpkin Magic Cake



15 oz pumpkin puree
3 eggs
1 cup evaporated milk
1 tsp Rodelle Pumpkin Spice Extract
1/2 tsp cinnamon
1/4 tsp nutmeg
1/4 tsp cloves
3/4 cup brown sugar
Chocolate cake mix plus the ingredients on the box to make it, typically 3 eggs, 1/3 cup oil, 1 cup water