HEAT oven to 375ºF.
MIX meat, stuffing mix, water and seasoning mix until well blended. Press evenly into 12 muffin cups sprayed with cooking spray.
BAKE 30 min. or until done (160ºF).
TOP each loaf with tomatoes; sprinkle with cheese. Bake 5 min. or until cheese is melted. Let stand 10 min. before serving.