Heat the sesame oil over medium heat in a soup pot. Add the mustard seeds and cook until they start to pop. Add the onions, carrots, celery, and ginger. Sauté for 3-4 minutes while stirring.
Add the coriander, cumin, red curry paste, basil, and lime leaves, and continue cooking for 2 more minutes, stirring often. Add the potatoes, vegetable broth, coconut milk, vinegar, maple syrup, tamari, and chickpeas. Bring to a boil. Continue to cook over high heat for 15 minutes, or until the potatoes are tender. Serve with extra basil as a garnish. That’s it! Bon appétit!