Wash lentils thoroughly in cold water to eliminate any dirt or bad lentils
Render bacon in a heavy duty pot
When bacon has lost half of its fat, add onions, leeks, celery and carrot
Sauté vegetables then add washed lentils
Add rest of the ingredients except vinegar, parsley and salt and pepper
Simmer for one hour and a half
Taste to see if you need to add salt and pepper
At the end, add the vinegar, chopped parsley and serve
