Shadows Lentil Soup

Ingredients

• 1 1/2 cups dried lentils
• 5 slices bacon, finely chopped
• 1 cup chopped onion
• 1 cup chopped celery
• 1 cup diced carrot
• 1/2 garlic clove, finely chopped
• 2 cups raw diced potatoes
• 1/2 cup tomato puree
• 1 lb Polish sausage
• 2 bay leaves
• 6 cups cold water
• 4 cups beef stock
• 1 tablespoon salt
• 2 tablespoons red wine vinegar
• 1 cup leek, thinly sliced