Cake;
1 1/4 cups all purpose flour
3/4 cups sugar
1/4 cup unsweetened cocoa
1 1/2 teaspoons baking powder
1/2 teaspoon salt
1/2 cup milk
2 tablespoons butter or margarine, melted
1 teaspoon vanilla

Pudding Mixture;
1 cup sugar
1/4 cup unsweetened cocoa
Dash of salt
1 1/3 cups boiling water

Heat oven to 350F. Lightly spoon flour into measuring cup, level off. In medium bowl combine flour, 3/4 cup sugar, 1/4 cup cocoa, baking powder and 1/2 teaspoon salt, mix well. Add milk, margarine and vanilla, stir until well blended. Spread batter in ungreased 8 inch square pan, or 9 inch round. In small bowl combine 1 cup of sugar, 1/4 cup cocoa and dash of salt, mix well. Sprinkle evenly over cake batter. Pour boiling water over sugar mixture. Bake at 350F. for 40 to 50 minutes or until center is set and firm to the touch. Serve warm. I have made this wonderful dessert several times, lost the recipe and just found it, so I thought I would share with those of you that have never tried it. It is low in fat. But 300 calories per 1/8 serving. Dietary Exchanges; 1 starch, 3 fruit, 1 fat
 

Source: http://www.nancys-kitchen.com