Cut the bacon in small pieces and cook slowly, over medium-low heat, to crisp and render out as much of the fat as possible.
Drain off the fat and deglaze the pan with a little turkey stock and add to the soup pot.
Sauté, in olive oil, over medium-high, heat, all the vegetables and garlic, except the tomatoes, for about 5 minutes.
Deglaze the pan with a little turkey stock and add to the soup pot, along with the sautéed vegetables.
Add all other ingredients, to the soup pot, except the tomatoes and cooked turkey; simmer slowly for 30 minutes.
Add the turkey and tomatoes; simmer for an additional 10 minutes or until the lentils are cooked.