Combine flour and potato slices in a very large bowl; toss well. Require space for tossing and mixing.
Melt butter in a small saucepan over low heat. Add sugar and next 7 ingredients (sugar through pepper); cook 4 min. or until sugar dissolves. Pour over potato mixture, toss well to coat all pieces.
For standard batch spoon mixture into a shallow 2-quart casserole dish coated with cooking spray. Large batch into 9“x13” baking pan.
Cover and bake at 425deg for 55 minutes or until tender. Let stand for 10 min.