Passover Gefilte Fish

Name: Passover Gefilte Fish
Ingredients: 1 head (about 2 1/2 pounds) green cabbage; 1/2 cup matzoh meal; 1 tablespoon olive oil; 1/2 medium (5 ounces) onion, minced; 2 pounds whitefish fillets, such as pike, carp, or whitefish, cut into chunks; 3 eggs, separated; 1/2 cup chopped Italian parsley; 2 tablespoons (6 or 7 sprigs) chopped fresh tarragon leaves; 2 to 3 teaspoons salt; 1/2 teaspoon freshly ground white pepper; Cayenne pepper, to taste; 1 quart fish stock; 1 medium carrot, peeled and cut into julienne; 1 medium leek, white part only, cut into julienne; Homemade Horseradish, recipe follows