Texas Sheet Cake

Directions

1. 1
   Mix flour, sugar and soda in a large mixing bowl.
2. 2
   In a saucepan, blend margarine, cocoa and water; bring to a boil.
3. 3
   Mix well.
4. 4
   Pour over sugar and flour in bowl.
5. 5
   Add sour cream and eggs.
6. 6
   Blend well by hand or use mixer.
7. 7
   Bake in an 11 x 15-inch jelly roll pan for 20 to 25 minutes at 350°.