Cracker barrell double fudge coca cola cake

1. In a sauce pan, bring coca cola, oil, margarine, and cocoa to a boil, mix the sugar, flour, and salt. Pour in the boiling liquid and beat well. Add the eggs, buttermilk, soda, and vanilla and beat well. Pour into a greased and floured sheet cake pan and bake at 350 for 20 to 25 minutes. Frosting: 1/4 lb. margarine 3 Tbsp. cocoa 6 Tbsp. cream or milk 1 tsp. vanilla 1/2 to 1 cup pecans chopped 1 lb. confectioners sugar In a saucepan, combine the butter, cocoa, and milk. Heat until the butter melts. Beat in the remaining ingredients and spread on the hot cake. Cool and cut.