Chocolate Walnut Chestnut Cake
10 ounces semi-sweet chocolate, melted and cooled
1 15-ounce can chestnut puree or, mashed 1 /12 cups mashed sweet potatoes or 1 1/2 cups fresh mashed
4 ounces unsalted butter or unsalted margarine
6 egg yolks
6 egg whites
1/2 cup sugar
1/2 cup ground walnuts (made from toasted walnuts)
Preheat oven to 350 Degrees F.
Line a 9 or 10 inch spring-form pan with a circle of baking parchment.
Prepare melted chocolate. Set aside and allow to cool to about room temperature.
Using a whisk or in an electric mixer, blend sweet potatoes and butter or margarine. Add egg yolks, all but two tablespoons of the sugar and melted chocolate. Blend well.
In another clean bowl, with clean, dry beaters, whip the egg whites with the salt just to break up and foam whites slightly. Gradually, while increasing mixer speed, dust in the 2 tablespoons of the sugar to stabilize and form stiff, glossy (but not dry) peaks.
Fold one third of egg whites into chocolate mixture and work in well to loosen. Stir in the ground walnuts. Then, gently fold in remaining two-thirds of egg whites in two installments, blending well but taking care not to deflate the mixture.
Spoon into prepared pan and bake until done (35 to 45 minutes). Cake rises somewhat and looks dry and slightly cracked on top when done. Middle should be soft but firm. Cool in pan for 20 minutes, then remove to a wire rack. Garnish with a dusting of cocoa and top with raspberries, or garnish with chocolate shavings and / or dust with Passover icing sugar. Freezes like a dream.
Recipe by: Marcy Goldman Kosher Cuisine with Marcy Goldman
Sweet potatoes can replace pureed chestnut paste, if you cannot find (and require) kosher-for-Passover chestnut puree. This is a rich but light, gorgeous torte of a cake that is chocolate and nutty and as sophisticated as any cake you can find in a French pastry chef – and yet…it is for Passover.