glazed pork chops w/ peaches

Ingredients

• 4 - 1"-thick bone-in pork chops
• - salt and pepper to taste
• 1 - onion, diced
• 2 teaspoons olive oil
• 2 tablespoons butter
• 4 teaspoons minced garlic
• 1 - 12 oz jar peach preserves
• 2 tablespoons rice wine vinegar
• 1/2 teaspoon red pepper flakes
• 1/2 teaspoon chinese five spice powder
• 1/2 teaspoon ground ginger
• - cornstarch, to thicken
• 2 - lg peaches, sliced thin
• - rice
• 1/2 cup ketchup
• 2 tablespoons light soy sauce