large sweet potato, peeled and cut • parsnips, peeled and cut • carrots, cut • mushrooms, remove stems, cut in half or quarters • medium red onion, sliced thin • medium yellow squash, cut • small bell peppers, seeded and cut (assorted colors) • dried thyme • dried rosemary • olive oil plus alittle more to drizzle later • balsamic vinegar • salt and pepper (eyeball it) •