Beef in Stout

Name: Beef in Stout
Prep time: 5 min
Cook time: 1 h 40 min
Total time: 1 h 45 min
Cuisine: European
Ingredients: 20 g olive oil; 200 g onions, quartered; 800 g feather steak, diced (3 cm) or 800 g braising steak, diced (3 cm); 30 g plain flour; 1 tsp fine sea salt; ¾ tsp ground black pepper; 20 g tomato purée; 415 g stout (e.g. Guinness®); 3 sprigs fresh rosemary leaves; 250 g carrots, peeled, cut in pieces (2 cm); 250 g parsnips, peeled, cut in pieces (2 cm)