Preheat oven to 375 degrees.

Drain peaches, reserving liquid. Add hot water to syrup to measure 1 1/2 cups. Mix syrup mixture and butter in a large bowl until butter is melted. Stir in contents of stuffing mix package and peaches. Let stand 5 minutes. Spoon stuffing mixture in 9 x 13 pan, arrange chops over mixture. Mix preserves and mustard; spoon over chops. Bake for 40 minutes.