Passover Chocolate Mandelbrot

2 cups white sugar

1 cup pareve margarine

6 eggs

2 ¾ cups matzo cake meal

¾ cup potato starch

½ teaspoon salt

1 cup chopped walnuts

2 cups semisweet chocolate chips

2 teaspoons white sugar

1 teaspoon ground cinnamon

Preheat oven to 350 degrees F (175 degrees C). Grease a large cookie sheet.

In a large bowl, cream together the 2 cups sugar and margarine until smooth. Beat in eggs one at a time, mixing well after each one. Combine the cake meal, potato starch and salt; stir into the creamed mixture. Mix in walnuts and chocolate chips. The mixture will be heavy. Form into 2 long oval loaves. Place onto the prepared baking sheet. Sprinkle the top with a mixture of 2 teaspoons sugar and cinnamon.

Bake for 50 to 55 minutes in the preheated oven, until a toothpick inserted into the center, comes out clean.