Ingredient:

• 1 pound dried navy beans
• 1 tablespoon canola oil
• 2 medium onions, chopped
• 2 celery ribs, chopped
• 8 cups water
• 1 medium carrot, chopped
• 2 bay leaves
• 1 teaspoon dried thyme
• 1/2 teaspoon pepper
• 2 smoked ham hocks
• 2 cups cubed fully cooked ham
• 1/2 teaspoon salt