Instructions: Combine flour & sugar in a large mixing bowl. Melt butter, add cocoa and cola (not diet), heat to boiling. Cool slightly. Pour over flour and sugar mixture, stir till well blended. Add buttermilk, beaten eggs, soda & vanilla. Mix well, stir in marshmallows. Pour into greased & floured 13x9 pan and bake @ 350 for 40 min., or till tests done. Frost while hot.

FROSTING: Combine first 3 ingredients in saucepan and heat to boiling. Add powdered sugar and mix well. Stir in chopped nuts.

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