1 stick celery, chopped
1 garlic clove, crushed
250²µ/8½´Ç³ú mushrooms, sliced
1 onion, finely chopped
1 red pepper, chopped
1 green pepper, chopped
400g/14oz canned chopped tomatoes
plain rice, cooked according to packet instructions
150ml/5fl oz game or beef stock
salt and freshly ground black pepper
pinch ground cumin
pinch ground paprika
1 tbsp tomato purée
1 tbsp vegetable oil
50²µ/1¾´Ç³ú dark chocolate, grated
450g/1lb venison shoulder, trimmed and cut into large pieces
4 soft flour tortillas
125ml/4½fl oz red wine