Using a small sharp knife, score a cross in the base of each brussels sprout.
2
Cook in a large pan of water for 5 mins.
3
Drain and cool.
4
Set aside until needed.
5
Meanwhile, heat the butter and oil in a large frying pan, then add the onions.
6
Cook over a medium heat until they start to turn golden.
7
Cut the cooled brussels sprouts into quarters, stir in with the onions and seasoning and cook over a high heat for 8-10 minutes until the sprouts are just tender.