Mustard Roasted Potatoes

7 potatoes
1 yellow onion
3 tablespoons olive oil
1 cup whole-grain mustard
kosher salt
pepper

Preheat the oven to 425 degrees.

Peel potatoes and cut into one-inch cubes.
Chop onion into small pieces.

Place potatoes and onions into a bowl.

Add the olive oil, mustard and salt and pepper.
Mix well.

Line a sheet pan with foil, spray with oil and spread potatoes and onions onto pan.
Bake for about an hour or until potatoes are lightly browned on the outside.
Toss occasionally so they don't stick.