Peel and chop the onion. Clean or peel and wash the soup vegetables. Chop carrots and celery finely, cut leek into fine rings. Cut bacon into slices
Heat the oil in a pot. Fry the bacon in it. Brown onion and soup vegetables briefly. Wash the thyme and remove the leaves. Rinse the lentils. Add both with 1 1/2 l water, bring to the boil. Simmer covered at low heat for about 25 minutes.
Washing pears. Add the sausages and cook for another 20-25 minutes
Take out the sausages, cut them into slices and add them again. Season stew with salt, pepper and vinegar. Wash parsley, chop roughly and sprinkle over it