Mayonnaise Cake - cooking recipe

Ingredients

3 c. flour
2 level tsp. soda
1 c. water
4 Tbsp. cocoa
1/2 tsp. vanilla
1 c. sugar
pinch of salt
1 c. mayonnaise or salad dressing

Preparation

Mix together, put in greased and floured 9 x 13-inch cake pan. Bake at 350\u00b0 until done.