- 1 (9 inch) unbaked deep dish pie crust
- 1 tablespoon olive oil
- 1/2 cup sliced onion
- 1/2 cup chopped green bell pepper
- 1/2 cup mushrooms, sliced
- 1/2 cup chopped zucchini
- 1 large tomato, sliced
- 2 tablespoons all-purpose flour
- 2 teaspoons dried basil
- 3 eggs, beaten
- 1/2 cup milk
- 1/2 teaspoon salt
- 1/4 teaspoon ground black pepper
- 1 1/2 cups shredded Colby-Monterey Jack cheese, divided