Photo of Prairie-Style Scalloped Potatoes by WW

Prairie-Style Scalloped Potatoes

Points® value
Total Time
1 hr 30 min
15 min
1 hr 15 min
A family favourite that's been lightened up with low-fat milk and low-fat sour cream.


1% low-fat milk

1 cup(s), (1%)

Colby cheese

113 gm

Light sour cream

3 tsp(s)

Dijon mustard

2 tsp(s)

Black pepper

¼ pinch(es), ground

Uncooked potato

2 large, (1 lb), peeled and sliced crosswise into 1/4-inch thick slices

Red onion

1 cup(s), sliced, thinly sliced


  1. Preheat oven to 375°F (190°C). Coat a shallow baking dish with cooking spray.
  2. In a medium bowl, whisk together milk, 3/4 cup of the cheese, sour cream, Dijon mustard, and pepper. Set aside.
  3. Arrange half of the potato and onion slices in the bottom of prepared baking dish.
  4. Pour over half of the milk mixture. Top with remaining potatoes and onions, and pour over remaining milk mixture.
  5. Top with remaining 1/4 cup of cheese.
  6. Cover with foil and bake 45 minutes.
  7. Uncover and bake 30 more minutes, until potatoes are tender and cheese is golden and bubbly.