Turn on the oven.
In a large bowl, combine the corn, potatoes, carrots, zucchini and onions.
In a small bowl, combine all remaining ingredients
Pour the butter mixture over the vegetables.
Prepare four sheets of foil as needed, wrap the vegetables soaked in the sauce in the foil. Then place in the oven for 25 to 35 minutes or until the vegetables are cooked through.
When serving, carefully open the packages to remove the steam.