Get the Free Meal Planning Tool That Can Show You How.
Start your FREE 1-year subscription to DinnerTime.com — the online tool that helps you plan, shop and cook dinner every night.
To access this FREE offer, set up your FlavorProfile now!
Nutrition information coming soon.
MIX Mustard, butter, Parmesan, basil and garlic powder in a large bowl until well blended. Add zucchini, squash and onions; toss to coat well.
DIVIDE vegetable mixture evenly among sheets of aluminum foil. Bring up sides of foil; double fold top and ends to tightly seal each packet.
GRILL packets over medium-high heat 10 to 12 minutes or until zucchini is tender. Sprinkle with additional Parmesan cheese before serving, if desired.