Osso Bucco (Veal Shanks) With Lemon/Tangerine Gremolata Recipe

Ingredients

• 4 tablespoons butter
• 1 1/2 cups onions, minced
• 1/2 cup carrot, finely chopped
• 1/2 cup celery, finely chopped
• 2 garlic cloves, minced
• 6 lbs veal shanks, see note
• salt
• pepper
• 1/2 cup flour
• 1/2 cup olive oil
• 1 cup dry white wine
• 1 teaspoon fresh basil
• 1/2 teaspoon dried thyme
• 3/4 cup chicken stock
• 3 cups tomatoes, chopped ripe . See note
• 1 tablespoon sugar
• 2 bay leaves
• gremolata
• 1 tablespoon lemon peel, grated
• 1 1/2 tablespoons tangerine peel, grated
• 1 tablespoon garlic, finely minced
• 3 tablespoons parsley, finely chopped