8 medium Irish or white potatoes, thinly sliced
1 tsp. salt
1/2 tsp. pepper
1 onion, sliced
1 10 3/4 oz. can cream of mushroom soup, undiluted
1 1/2 cups milk
Place half of potatoes in lightly greased 12×8 inch glass baking dish. Sprinkle with salt and pepper; add half the sliced onions. Combine soup and milk; pour over onion and potatoes. Top with remaining onion and potatoes; cover with remaining soup mixture. Cover with waxed paper. Microwave at high temperature for 20-25 minutes. Rotate dish 1/2 turn after 10 minutes. Let stand, covered, 3-5 minutes.