Low FODMAP Potato Eggplant Curry

Name: Low FODMAP Potato Eggplant Curry
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Cuisine: Mediterranean, American
Ingredients: 3- pounds (1.4 kg) eggplant, ((choose two or three, not one gargantuan eggplant)); Kosher salt; 1 tablespoon Garlic-Infused Oil, (made with vegetable oil, or purchased equivalent); 1 teaspoon mustard seed; ¼ cup (57 g) ghee; 1 tablespoon grated fresh ginger root; 2 teaspoons ground coriander; 1 teaspoon ground cumin; ½ teaspoon cayenne, (or to taste); 6 medium fresh beefsteak tomatoes, (cored, seeded and chopped; see Tips); 3- pounds (1.4 kg) Yukon gold potatoes, (cubed); 1 cup (240 ml) water; 2 tablespoons lime juice; Cilantro; optional