Substitute
Use any savory flavor of PHILADELPHIA 1/3 Less Fat than Cream Cheese to season the potatoes. Or, roast fresh garlic and add to the potatoes for creamy garlic mashed potatoes.
Variation
Sprinkle baked casserole with chopped fresh chives and/or KRAFT Grated Parmesan Cheese instead of the suggested toppings.
Make Ahead
Assemble recipe as directed but do not sprinkle with bacon and onions; cover with heavy-duty foil. Freeze up to 1 month. When ready to serve, thaw overnight in refrigerator. Bake, covered, 1 hour or until heated through, uncovering for the last 10 min. Sprinkle with bacon and onions.