Beef stew with fluffy dumplings

Name: Beef stew with fluffy dumplings
Ingredients: 1kg/2lb 4oz silverside beef, cut into large pieces; 1 tsp plain flour; 2 tbsp vegetable oil; 2 onions, cut into chunks; 3 carrots, scrubbed and cut into large pieces; 4 sticks celery, cut into large pieces; 1 tbsp tomato purée; 300ml/10½fl oz red wine; 500ml/18fl oz beef stock; 2 sprigs fresh parsley; 1 bay leaf; 3 sprigs fresh thyme; 2 garlic cloves, finely sliced; 25g/1oz butter; 1 tsp redcurrant jelly; 200g/7oz plain flour, plus extra for dusting; 1½ tsp baking powder; 100g/3½oz suet, shredded; 2 tbsp finely chopped flatleaf parsley; sea salt and freshly ground black pepper