2 c. flour
2 c. sugar
2 eggs
1 1/2 tsp. baking soda
20 oz. crushed pineapple with juice
1 tsp. vanilla
1 c. chopped walnuts (opt.)

Grease a 9"x13" pan. Put all ingredients in a bowl. Stir together. Place in pan and bake for 30 minutes at 350 degrees.