Yield: 4 servings
Preheat oven to 450 degrees F.or preheat grill to medium-high. Spray foil with nonstick cooking spray.
Center chicken on each sheet of aluminum foil. Spoon 1/4 cup spaghetti sauce over each chicken breast. Top with zucchini. Sprinkle with cheeses.
Bring up sides of foil and double fold. Double fold ends to form a packet, leaving room for heat circulation inside packets. Repeat to make four packets.
Bake 20 to 24 minutes on baking sheet in oven or grill 12 to 14 minutes on medium-high in covered grill.
Please note that some ingredients and brands may not be available in every store.