4 ears fresh corn, husked and kernels cut from cob (3 1/2 cups)
1 1/2 Tbsp vegetable oil
Salt
1/3 cup chopped red or green onion (if using red run under water and drain to remove harsh bite)
1/3 cup slightly packed cilantro leaves, chopped
1 jalapeno pepper, stemmed, seeded and minced
1 clove garlic, minced
3 oz Cotija cheese, finely crumbled
3 Tbsp mayonnaise (light or regular)
1 1/2 Tbsp fresh lime juice, divided
1/2 tsp chili powder, then more to taste (I used part ancho chili powder part regular)
1 1/2 medium avocados (semi-firm but ripe) peeled, cored and chopped small