Pan sear the pork chops just to brown, Do not over cook. They will cook in the oven
Slice potatoes to make thin round slices
Slice onions to make rings
In a 9x13 casserole, arrange 1/2 of the potatoes to cover bottom of casserole. arrange 1/2 of onions over potatoes. Generously salt & pepper the layer. Pour 1/2 of the soup over the layer. Repeat the layer again. Arrange the pork chops on top. Cover with lid or foil.
Bake 60 mins @ 400 degrees or until potatoes are tender.