Preheat oven to 350 degrees F.
Beat egg yolks. Add sugar gradually to yolks and beat until very creamy. Add grated rind and juice of one lemon. Grind pecans in a nut grinder. Mix pecans, cinnamon, toasted white bread crumbs and flour. Add to egg yolk mixture. Beat 6 egg whites until stiff, but not dry. Fold egg whites into batter.
Bake at 350 degrees F for 40 minutes in an ungreased loaf pan or round layer cake pan. Cool in pan. Dust with confectioners sugar. This is a delicate cake, remove from pan carefully.
Per Serving: 308 calories, 7g protein, 18g fat, 3g saturated fat, 11g, 33g cholesterol