Indian Ratatouille

Name: Indian Ratatouille
Ingredients: 1 8 ounce red onion, cut into 1/2 inch pieces; 1 large jalapeÃ±o chili, chopped; 1 tablespoon chopped peeled fresh ginger; 1 tablespoon fresh lemon juice; 1 tablespoon mustard seeds; 1/4 cup vegetable oil; 2 3/4 pound eggplants, quartered lengthwise, cut crosswise into 1/3 inch thick slices; 2 medium zucchini, halved lengthwise, cut crosswise into 1/3 inch thick slices; 2 tablespoons chopped fresh mint; 3 large garlic cloves, chopped; 3/4 pound plum tomatoes, chopped