Place ¾ cup Italian blend shredded cheese in a medium (quart) freezer bag. Add remainder of ingredients to a large freezer bag. Mix gently to combine. Remove excess air from both bags, seal, staple together above the seal, and freeze.
Cooking instructions:
Thaw. Empty contents of large bag into a 9x13 casserole dish. Bake at 350°, uncovered, for 20 minutes. Sprinkle with remaining cheese and continue to bake until chicken reaches an internal temperature of 165°, another 10-12 minutes.