This is our favorite, though I have never made it with fresh corn. No one suspects the second ingredient.
Lynn's Corn Casserole ( no idea who Lynn is)
2 cans corn - 12 oz
1 large or 2 small packages of Mahatma yellow rice cooked to package directions
1/4 c chopped bell pepper
1/4 c chopped onion
2 cans cream of celery soup, or whatever cream of soup you have on hand
1 cup grated cheese
1 stick butter
Melt butter and place in casserole dish. Mix rice with butter. Mix all other ingredients, top with cheese. Bake 350 for 15-20 minutes.