2 garlic cloves, chopped
1 onion, diced
400g tin chopped tomatoes
400g/14oz penne pasta
50驳/1戮辞锄 plain flour
salt and pepper
1 tbsp olive oil
300ml/10陆fl oz vegetable stock
50驳/1戮辞锄 butter
500ml/18fl oz milk
8 thick pork sausages, skin removed, meat crumbled