Don't cook ribs until you see this technique that conquers the world!

Ingredients:
pork ribs: 2 kg (4 lb)
soft butter: 400 g (14 oz)
soft butter: 20 g (0.7 oz)
flour: 100 g (3.5 oz)
OVER MEDIUM FIRE: 2 MIN
OVER MEDIUM FIRE: 2 MIN
onion: 2 pc
mushrooms: 200 g (7.1 oz)
salt: 5 g (0.2 oz)
black pepper: 5 g (0.2 oz)
herbs of Provence: 5 g (0.2 oz)
sweet paprika: 5 g (0.2 oz)
beer: 200 ml (6.8 fl oz)
tomato sauce: 40 g (1.4 oz)
scallions: 10 g (0.4 oz)