Mom'S Chocolate Coca-Cola Cake & Frosting - cooking recipe

Ingredients

1/2 cup butter or 1/2 cup margarine
1/2 cup cooking oil
3 tablespoons cocoa
1 cup Coca-Cola
2 cups all-purpose flour
1/2 teaspoon cinnamon
2 cups sugar
1/2 cup buttermilk
1 teaspoon baking soda
2 eggs
1 teaspoon vanilla
1 1/4 cups miniature marshmallows
1/2 cup margarine
3 tablespoons cocoa
6 tablespoons Coca-Cola
1 (1 lb) box confectioners' sugar
1 teaspoon vanilla

Preparation

In a large bowl, mix together 2 cups flour, 1/2 tsp cinnamon, and 2 cups sugar.
In a heavy saucepan combine 1/2 cup margarine or butter, 1/2 cup oil, 3 tbsp cocoa, and 1 cup coke. Bring to a boil. Pour over the dry ingredients mixed earlier. Mix until blended.
In a small bowl, mix together 1/2 cup buttermilk and 1 tsp baking soda. Then add it to the mixture.
Add 2 eggs and 1 tsp vanilla and beat inches Then fold in the marshmallows.
Bake in a 13 x 9 x 2 inch pan for 30 to 35 minutes (or until a toothpick inserted in the middle comes out clean) in a 350 degree oven.
For the frosting: Place 1/2 cup margarine or butter, 3 tbsp cocoa, and 5 tbsp coke in a saucepan and bring to a boil. Add the confectioners sugar and vanilla. Mix well. If it is too thick, and a drop or two more of coke.
If you want the white 7 minute frosting: (These ingredients are not listed above!) In the top of a double boiler, combine 1 1/2 cups sugar, 1/4 cup + 1 tbsp cold water, 2 egg whites, 1 tbsp light corn syrup, and a dash of salt. Beat at a low speed of an electric mixer 30 seconds or just until blended. Place over boiling water; beat constantly on high speed 7 minutes or until stiff peaks form. Remove from heat. Add vanilla and beat 2 minutes or until frosting is thick enough to spread.