Put the oil in the pressure cooker, fry the streaky bacon a little and steam the onion until translucent. Gradually add the other ingredients, first the soup vegetables, then the lentils and the potatoes and briefly roast, add the spices, then roast with the tablespoon of tomato paste and pour on the vegetable stock.
Put the meatloaf in the pot, put the lid on the pressure cooker, close it and cook under steam for 25 - 30 minutes.
Pour the soup into soup plates and season with a dash of balsamic vinegar.