Mayonnaise Cake

1 cup boiling water
1 cup raisins
1 cup dates
1 cup nuts
1 tsp. baking soda
1 cup sugar
1 cup mayonnaise
2 tbsp. cocoa
1/2 tsp. baking powder
2 cups flour
Pour boiling water over raisins, dates and nuts in a bowl. Add 
baking soda. In another bowl, mix sugar, mayonnaise, cocoa, baking 
powder and flour. Blend both mixtures together. Pour in a spring 
form pan. Bake in a 350 degree oven for 60 minutes.