Mrs. Zeger's Chocolate Passover Cake

From The New York Times and Craig Clairborne's cookbook. She is the mother of Eric Segal who is most famous for being the author of Love Story. The cookbook said "One of the most popular Passover menu articles to appear in the New York Times over the last couple of decades was this one. Mrs. Zeger's chocolate cake is indeed exceptional".

• Ready In: 1 hr 20 mins
• Serves: 8-12
• Yields: 1 cake

Ingredients

• 10  eggs, separated, room temperature, can be slightly warmer
• 14  tablespoons sugar, about 1 cup
• 6  ounces bittersweet chocolate or 6  ounces  semisweet chocolate, melted slowly over hot water and cooled
• 2  cups walnuts, finely chopped, not ground

Directions

1. Preheat oven to 350 degrees F.
2. Beat the egg yolks and sugar until very thick and lemon colored.
3. Stir in the chocolate.
4. Fold in the nuts.
5. Beat the egg whites until stiff but not dry and fold into the chocolate-nut mixture.
6. Turn into a greased 10 inch spring form pan.
7. Bake 1 hour or until the center springs back when lightly touched with the finger tips.
8. Cool in the pan.