- Heat oven to 190°C.
- Bake sausages for 30–35 minutes, turning once.
- Meanwhile boil potatoes until soft (20 minutes).
- Steam cabbage and carrots until tender (8–10 minutes).
- Mash potatoes with butter and milk.
- Fold cabbage and carrots through the mash.
- For gravy:Cook onion in butter until golden.Stir in flour.Slowly whisk in stock.Simmer 5–8 minutes.
Serve sausages over mash with plenty of onion gravy.