Mix butter, salt and onions. Peel and slice potatoes in circles. Put a layer ... little of the soup and milk mixture. Repeat, with last layer of potato and onion mix on top. ... until tender. Serves 15-17.
Gradually stir milk into soup in a 2-quart casserole. Stir ... and microwave until potatoes are tender, 10-15 minutes longer; ... Parmesan cheese, if desired.
Spray casserole dish with Pam. Arrange a layer of potatoes in the dish, sprinkle with salt and pepper. Mix soup and milk together and pour ... hour and 15 minutes.