Moist Brownies Recipe

2 1/2 cups flour
2 cups sugar
1/2 cup sour cream
1 teaspoon salt
1 teaspoon baking soda
2 eggs
2 sticks margarine
5 tablespoons cocoa powder
1 cup water

Frosting:
1 pound powdered sugar
1/2 cup walnuts, well chopped
1 stick margarine
1 teaspoon vanilla
3 tablespoons cocoa powder
6 tablespoons milk

Preheat oven to 350 degrees. In a large bowl, stir together flour, sugar, sour cream, salt, baking soda, and eggs. Bring margarine, cocoa and water to a boil in a saucepan. Stir this into flour mixture until smooth. Pour into a greased and floured 11-by-20-inch jelly roll pan. Bake for 20 to 22 minutes.

Frosting:
Bring margarine, cocoa, and milk to a boil in a medium-size saucepan. Remove from heat, add sugar, vanilla, and nuts, and stir until smooth. Frost evenly over cooled brownies.