Mississippi Mud Cake

2 cups sugar
1 cup margarine
4 eggs
1 1/2 cups flour
1/4 tsp salt
2 tbsp vanilla
1/2 cup pecans (optional)
1/3 cup cocoa
1 10oz package of mini marshmallows

Mix together everything but marshamllows and bake in a 9 x 13 pan at 300F for 30 minutes. Remove and put marshmallows on top. Put back in the oven for 5 more minutes. Let cool for at least 30 minutes.

Icing

3/4 cup margarine
1 box powdered sugar
1/3 cup cocoa
1/2 cup milk
1 tsp vanilla
1/2 cup nuts (optional)

Mix together and spread over cake. Put in fridge until ready to serve.