Name: Bull's Tail Stew
Prep time: 1440 min
Cook time: 255 min
Yield: 6
Cuisine: Spanish
Ingredients: 1.5kg bull's tails or oxtail, cut into pieces; For the marinade; Pinch saffron threads; 3 carrots, chopped; 1 onion, chopped; 2 small leeks, chopped; 1 red bell pepper, sliced; 4-5 cloves garlic; 1-2 bottles of Spanish wine, like Cencibel; For the stew; 115ml olive oil; 1 (7cm) slice of fat from high quality cured ham like "Iberico," "Serrano" or Proscuitto di Parma, chopped into small pieces (optional); 1 red bell pepper, sliced; 2 tbsps tomato puree; 115ml of homemade or shop-bought demi-glace (optional); Salt and freshly ground black pepper; Freshly chopped parsley, to garnish