Skillet Mexican Street Corn

ears fresh corn, husks removed and kernels cut off cob (about 4-5 cups) *

vegetable oil

mayonnaise

green onions, thinly sliced

jalapeno pepper, seeded and stemmed, finely chopped (optional)

fresh cilantro leaves, finely chopped

juice of one medium lime

cotija cheese (or queso fresco, or feta)

chili powder (more or less to taste)

salt,