Ham and Parsley Terrine

Name: Ham and Parsley Terrine
Ingredients: 1 (8-lb.) trimmed, uncooked ham, with bone; 2 lb. veal bones; 1 calf's foot, split; 2 medium onions, each studded with 2 cloves; 4 carrots; 1 small clove garlic, whole, plus 2 minced; 5 black peppercorns; 3 tbsp. fresh tarragon leaves; 3 tbsp. fresh thyme leaves; 2 cups dry white wine; 3 cups chicken broth; 4 tbsp. red wine vinegar; 3 large egg whites; 1 package powdered gelatin (optional); 4 packed cups parsley leaves, minced; Salt and freshly ground pepper