Lentils with Chicken Sausage

Ingredients

• 1 cup French green lentils (7 ounces)
• 4 cups chicken stock or low-sodium broth
• 1 carrot, cut into 1-inch pieces
• 1 celery rib, cut into 1-inch pieces
• 1 small onion, quartered, plus
• 1 large onion, cut through the root end into 8 wedges
• 1 garlic clove
• 2 tablespoons canola oil
• 4 thyme sprigs
• 1 cup baby spinach leaves, coarsely chopped Salt and freshly ground pepper
• 4 precooked chicken sausages (3/4 pound)
• 1 1/2 Tbs. 1/2 tablespoons balsamic vinegar