Chocolate Mayonnaise Cake

Ingredients
- 2 tsp soda
- 1 c cold water
- 1 c sugar
- 4 to 7 Tbsp cocoa
- 2 c flour
- 1 tsp vanilla
- 1 c salad dressing or mayonnaise
Directions
- Mix soda water and sugar
- Add cocoa and stir well
- Add flour and vanilla
- Mix well and add mayonnaise
- Bake at 350 for 30 minutes or until done