Place the potatoes, pepper, onion and carrot in a large roasting tin and toss in the oil, season well.
Twist each sausage in the middle and cut to make 16 small sausages, place in a bowl with the marmalade and walnuts and toss together, scatter over the roasting tin and bake for 40 minutes until the sausages are golden and cooked through.
Sprinkle with basil leaves to serve.
Cooks tip
Try your favourite flavour sausages or add a punch of chilli flakes for a little kick.