Lentil Salad

Ingredients

• 4 ounces sliced bacon, cut into 1 1/82-inch pieces
• 3 carrots, peeled and thinly sliced
• 1 leek, white part only, thinly sliced
• 1 small onion, peeled, spiked with a whole clove
• 1 head garlic, peeled
• 1 stalk celery, thinly sliced
• 1/4 bunch thyme
• 1 tablespoon white peppercorns
• 3 bay leaves
• 3 cups chicken stock
• 8 ounces French green lentils, rinsed
• 1 1/2 tablespoons olive oil
• 1/4 cup onion, finely chopped
• 1 clove garlic, peeled and minced
• 1 jalapeno, seeded and minced
• 1/4 cup sherry vinegar or other vinegar
• 1 1/2 tablespoons chopped parsley
• 1/4 cup hazelnut oil
• Arugula leaves for garnish