Roasted Vegetable and Kale Lasagna

Name: Roasted Vegetable and Kale Lasagna
Ingredients: 1 red bell pepper, thinly sliced; 1 yellow bell pepper, thinly sliced; 1 zucchini, thinly sliced; 6 large mushrooms, thinly sliced; 6 tablespoons extra-virgin olive oil, divided; 1 tablespoon salt; 2 teaspoons ground black pepper; 1 cup water; 1 bunch kale, torn into bite-sized pieces; 2 cloves garlic, chopped; 2 (26 ounce) cans pasta sauce; 1 (12 ounce) box no-boil lasagna noodles; 9 cups grated mozzarella cheese; 1 (8 ounce) package bocconcini cheese, thinly sliced