Chocolate Sheath Cake

Ingredients

• 2 cups sugar granulated
• 2 cups flour, all-purpose
• 1/4 pound margarine
• 1 cup water
• 4 tablespoons cocoa powder
• 1/2 cup vegetable shortening
• 1/2 cup buttermilk
• 1 teaspoon baking soda
• 2 large eggs
• 1 tablespoon vanilla extract
• 1/2 pound margarine
• 4 tablespoons cocoa powder
• 1 x powdered sugar
• 1 tablespoon vanilla extract
• 1 cup miniature marshmallows
• 8 tablespoons milk
• 1 cup nuts