HEAT oven to 375ºF.
WHISK Cooking Creme, milk and pepper until well blended.
LAYER half each of the potatoes, Cooking Creme mixture and Parmesan in shallow 2-L casserole dish sprayed with cooking spray. Repeat layers; cover.
BAKE 1 hour 30 min. or until potatoes are tender and sauce is hot and bubbly, uncovering after 45 min.
serving size = 3/4 cup (175 mL)