Individual Italian Chicken in Foil (with Mamma Mia)

Place skinless, boneless chicken breasts in center of heavy foil. Sprinkle lightly with Mamma Mia. Put several tablespoons spaghetti sauce over chicken. Add a couple slices of zucchini on top. Sprinkle generously with Monterey Jack cheese. Seal foil and place on baking sheet. Bake at 400 degrees for 1 hour.