Dr Pepper Brownies

Ingredients
1 c. butter
1 c. Dr Pepper
2 c. flour
2 c. sugar
1 tsp. cinnamon
1 tsp. salt
4 Tbs. cocoa
1/2 c. buttermilk
1 tsp. soda
2 tsp. vanilla

Directions
Heat the butter and Dr Pepper until melted.  Do not boil.
Mix dry ingredients.
Combine buttermilk, soda and vanilla.
Add milk mixture to the dry ingredients.  Then add Dr Pepper mixture.
Bake in greased 18X12 ban for 2530 minutes at 350 degrees.

Frosting (optional)
Bring to boil 1/2 cup butter, 6 Tbs. Dr Pepper and 3 Tbs. cocoa.  Add 1 box powdered sugar.  Spread on warm brownies and cut into squares when cool.