This is a great corn chowder that has just enough sweetness to ensure that kids and adults alike will love it. The secret is to use fresh ears of corn and not canned. Frankly, I've never even tried it with canned corn, but why would you?!
Garnish with finely chopped scallions or cilantro leaves. 
In a medium sized pot, sweat the vegetables in the oil:
When the vegetables have softened, add the chicken stock and simmer 30-40 minutes.