Red Lentils and Kale with Miso

INGREDIENTS

• 2 cups Roma tomatoes, chopped
• 6 fresh sage leaves, finely chopped, plus extra for garnish
• 1 tablespoon white miso
• 1 yellow onion, chopped
• 1 cup dried red lentils, rinsed
• 3 cloves garlic, chopped
• 1 bunch kale, stemmed and chopped
• 1 sweet potato, peeled and chopped
• Salt and freshly ground black pepper
• 2 celery stalks, chopped
• 1 sheet nori, julienned, for garnish