1 c. butter, softened
2 c. flour
1 3/4 c. sugar
2 tbsp. cocoa
1 tsp. baking soda
1 1/2 c. miniature marshmallows
1 tsp. vanilla
2 eggs
1/2 c. buttermilk
1 c. Dr. Pepper

Preheat oven to 350 degrees. Combine all ingredients except Dr. Pepper and marshmallows. Blend at low speed for 1 minute, then beat 1 minute at medium speed. Add Dr. Pepper, blend well. Stir in marshmallows. Pour batter into greased 13 x 9 inch pan. Bake 40-50 minutes. Cool at least 30 minutes.

FROST WITH:

1/2 c. butter, softened
3 tsp. cocoa
1/3 c. Dr. Pepper
4 c. powdered sugar
1 c. pecans, chopped

To make frosting, combine all ingredients except pecan, beat until smooth, then stir in pecan. Frost cooled cake.