Spiced Lentils with Sausage | Savory

Ingredients

• 2 stalks celery
• 2 tbsp olive oil
• 1 lb sweet Italian sausage links
• 1 cup shredded carrots
• 1/2 cup chopped onions
• 1 tbsp fennel seeds
• 1 1/2 cups tomato sauce
• 1 (15.5 oz) can cooked lentils
• 1 cup watercress leaves