Ingredients

• 1 tablespoon vegetable oil
• 1 onion diced
• 1 celery stalk diced
• 1 garlic clove minced
• 1 teaspoon grated gingerroot or 1/4 tsp/1 ml ground
• 1/2 teaspoon salt
• 1/2 teaspoon ground coriander
• 1 pinch cayenne pepper
• 1 can 28 oz/796 ml diced tomatoes
• 2 sweet potatoes peeled and diced
• 5 cups vegetable stock
• 1/2 cup smooth natural peanut butter
• 2 cups chopped fresh kale
• 2 cups chopped fresh collard greens
• 1 tablespoon lemon juice