Roasted Rack of Lamb with Ratatouille and a Tarragon Lamb Jus

Name: Roasted Rack of Lamb with Ratatouille and a Tarragon Lamb Jus
Ingredients: 2 green zucchini, diced; 2 yellow zucchini, diced; 2 Japanese eggplants, diced; 2 yellow bell peppers, diced; 2 red bell peppers, diced; Olive oil; 2 tablespoons chopped garlic; 1 brown onion, diced; 2 tomatoes, peeled, seeded and diced; 1/4 to 1/2 cup tomato paste; 3 (6 rib) lamb racks, fat trimmed, skin removed; 2 cups lamb stock; 2 tablespoons butter; 2 tablespoons chopped fresh tarragon; 2 tablespoons chopped parsley; 2 tablespoons chopped basil