If you don't have a grill, simply broil them. Marinating them overnight will allow the flavor to more fully penetrate the meat, but you can cook them as soon as an hour after seasoning.
Brush both sides of pork evenly with oil; sprinkle with herbes de Provence and pepper. Cover and chill 12 hours or overnight.
Place pork on grill rack coated with cooking spray. Grill 5 minutes on each side or until desired degree of doneness. Sprinkle evenly with salt.
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