sliced shiitake mushroom caps • large zucchini,halved lengthwise and cut into 1/4 inch slices • red bell pepper,quartered lengthwise and thinly • Sliced • small onion, cut into 1/4 inch slices • vegetable broth • pitted Kalamata olives • jalapeño pepper, seeded and minced • capers • olive oil,divided • garlic, minced • dried oregano •