Instructions: Instructions: Preheat oven to 400 degrees. Bring margarine, vegetable oil, cocoa powder and water to a boil in a large saucepan, stirring constantly.

Remove pan from stove. Stir baking soda into buttermilk, adding to cocoa mixture along with cinnamon, flour, sugar, eggs, vanilla and salt. Stir until well mixed. Pour batter into a greased and floured 13x9x2-inch baking pan. Bake for 20 to 25 minutes. Ice with Cocoa Frosting while cake is still warm.

COCOA FROSTING: Bring margarine, buttermilk and cocoa to boil in a medium saucepan. Remove pan from heat. Beat in powdered sugar and vanilla; while still warm pour on cake. Top with nuts, if desired.

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