1. Preheat oven to 350°F.
2. Mix ingredients together in a large bowl.
3. Spoon potato mixture into six 8-to-10-oz individual ramekin cups or a 1 -to-1½ quart casserole sprayed with cooking oil. Place cups on a baking sheet.
4. Bake, uncovered, 15–20 minutes or until heated through and cheese has melted.