Preheat oven to 425 degrees.

Combine first 6 ingredients in a zip-lock bag. Add potatoes to bag and shake gently to coat. Set potatoes aside.

Meanwhile, place butter in a large Pyrex baking dish and place in oven until butter melts.

Add potatoes and stir. Return to oven.

Bake potatoes 30 minutes, turning once, until potatoes are cooked.