Preheat oven to 350°. In a large skillet, saute asparagus, mushrooms, peppers and onions in oil until tender. Add garlic; cook 1 minute longer. Add tomatoes; set aside. , In a large bowl, whisk eggs, cream, Colby-Monterey Jack cheese, parsley, basil, salt and pepper; stir into vegetable mixture., Pour into a greased 13x9-in. baking dish. Bake, uncovered, 45 minutes. , Sprinkle with Parmesan cheese. Bake 5 minutes longer or until a knife inserted in the center comes out clean. Let stand 10 minutes before cutting.