Pre-heat oven to 350°F.
Trim fat from pork chops. Brown chops in frying pan.
While chops are browning peel and slice potatoes thinly, placing in an oblong dish. Place browned chops on top of potatoes.
Chop onion and place in frying pan to brown.
Mix together onion, salt, pepper, sage, soup and milk; pour over chops.
Bake for 20-40 minutes at 350°F, until temperature reaches 145°F to 150°F. Let rest for 5 minutes before serving as is or over rice.