Dr pepper cake adapted...amazingly moist and tasty

1 c. butter
1 c. Dr. Pepper
4 tbsp. cocoa( extra dark special )
2 eggs
1 tsp. vanilla
2 c. sugar
1/2 c. buttermilk
1 tsp. soda
2 c. flour
1 1/2 tsp. cinnamon

Heat butter, cocoa and Dr. Pepper. Mix well and set aside.Cream eggs, sugar and butter, milk and soda. Add flour and cinnamon alternately with Dr. Pepper mixture, then vanilla.
Pour into greased and floured 9 x 12 inch pan and bake at 350 degrees for 25 to 30 minutes. Ice with Dr. Pepper Icing.

DR. PEPPER ICING:

1/4 c. butter
1/4 c. Dr. Pepper
3 tbsp. cocoa ( extra dark special )
1 (16 oz.) box confectioner's sugar
1 tsp. vanilla
1 c. chopped nuts((did not add them))

Heat butter, cocoa and Dr. Pepper and blend well. Stir in other ingredients. Mix thoroughly and ice cake.