Cut off any visible fat from chops.
In a shallow bowl, combine the flour, salt and pepper; dredge pork chops in mixture.
Heat oil in a large skillet; cook pork chops for 4-5 minutes per side or until browned.
Place in a single layer in an ungreased 13x9 inch-baking dish.
Combine soup, broth, pepper, thyme and 1/2 cup sour cream; pour over chops.
Sprinkle with half of the onions.
Cover and bake at 350 degrees for 45-50 minutes.
Stir remaining sour cream into sauce.
Top chops with remaining onions.
Return to the oven, uncovered, for 10 minutes.
Ready in 1 hour and 15 min.