3 tablespoons vegetable oil
1 large onion, finely chopped
3 large garlic cloves, minced
2 jalapeños, seeded and finely chopped
1 tablespoon finely chopped fresh ginger
1 1/2 tablespoons Madras curry powder
One 14-ounce can whole peeled tomatoes, chopped, with their liquid
4 cups water or canned low-sodium chicken broth
1/2 cup smooth peanut butter
Salt and freshly ground pepper
1 pound sweet potatoes, peeled and cut into 1-inch chunks
2 carrots, cut into 1/2-inch dice
2 cups frozen whole okra or 6 ounces fresh whole okra
1 cup frozen green beans or 1/4 pound fresh green beans, cut into 2-inch lengths
1/4 cup cilantro leaves
1/4 cup chopped salted peanuts
Lime wedges, for serving