|Potatoes||3 Medium, cut lengthwise into eighths|
|Vegetable oil||(as required)|
|Dry mustard||1⁄4 Teaspoon|
|Garlic powder||1⁄8 Teaspoon|
Set oven control to broil and/or 550Â°.
Place potatoes, cut sides down, in ungreased jelly roll pan, 15 1/2 x 1000 1/2X 1 inch; brush with oil.
Mix remaining ingredients; sprinkle potatoes with half of the mixture.
Broil potatoes with tops about 3 inches from heat until potatoes begin to bubble slightly, about 10 minutes.
Turn; brush with oil and sprinkle with remaining salt mixture.
Broil until golden brown and tender, about 5 minutes longer.
Serve with dairy sour cream if desired.