Categories:Viewed: 130 - Published at: 2 years ago

Ingredients

  • 1 1/2 cups walnuts (about 7 ounces)
  • 1/3 cup all purpose flour
  • 8 ounces bittersweet (not unsweetened) or semisweet chocolate, chopped
  • 1/2 cup (1 stick) unsalted butter, room temperature
  • 14 tablespoons sugar
  • 7 large eggs, separated, room temperature
  • Powdered sugar

Method

  • Position rack in center of oven and preheat to 350F.
  • Butter 9-inch-diameter springform pan with 3-inch-high sides.
  • Line bottom with waxed paper round.
  • Finely grind walnuts with flour in processor; set aside.
  • Stir chocolate in top of double boiler over simmering water until melted and smooth.
  • Remove chocolate from over water.
  • Cool chocolate slightly.
  • Using electric mixer, beat butter and 7 tablespoons sugar in large bowl until light and fluffy.
  • Beat in melted chocolate.
  • Add yolks 1 at a time, beating well after each addition.
  • Continue beating until smooth and light, about 3 minutes.
  • Mix in ground walnut mixture.
  • Using electric mixer fitted with clean dry beaters, beat whites in another large bowl until beginning to form soft peaks.
  • Gradually add remaining 7 tablespoons sugar and beat to soft peaks.
  • Stir 1/4 of whites into batter to lighten.
  • Fold in remaining whites.
  • Pour batter into prepared pan; smooth top.
  • Bake until tester inserted into center comes out with some moist crumbs attached, about 40 minutes.
  • Cool cake in pan on rack 10 minutes.
  • Run sharp knife around pan sides to loosen cake.
  • Release pan sides and cool cake completely (cake may fall as it cools).
  • (Can be prepared 2 days ahead.
  • Cover and let stand at room temperature.)
  • Transfer cake to platter.
  • Sift powdered sugar over cake.
  • Cut into wedges and serve.