Texas Sheet Cake

My mom always made this for Court of Honors, big get-togethers, etc.

Combine in large bowl: 2 c flour
2 c sugar
1/2 tsp salt
1 tsp soda

Bring to boil: 2 sticks margarine/butter
1 c water
4 tbsp cocoa

Add boiled mixture to flour mixture. Add 1/2 cup sour cream and 2 eggs.

Mix well, pour into greased cookie sheet (large, with 1" sides). Bake at 350 for 20-25 minutes.

ICING
Bring to boil: 1 stick margarine/butter
6 tbsp milk
4 tbsp cocoa
Add 1 box powdered sugar (16 oz). Mix well, add 1 tsp vanilla and chopped nuts(opt). Ice while cake is hot.