What don't you like about that? If you heat the vegetables and oil together, they can slowly lose their water and essentially boil, and taste boring; if you le

What don't you like about that? If you heat the vegetables and oil together, they can slowly lose their water and essentially boil, and taste boring; if you let the oil get to the right temperature and then add the vegetables, then they'll cook up nicely, with plenty of Maillard reactions (browning), and taste delicious.