Pork Tenderloin with Mustard Sauce

Directions

Place the pork tenderloin in a 24-oz shallow casserole.

Sprinkle with salt and onion.

Cover with vented plastic wrap and microwave, on medium (50%) power for 4 minutes; rotate the casserole ¼ turn.

Microwave 4 minutes longer.

Mix the remaining ingredients; spoon over the pork.

Cover with vented plastic wrap and microwave, turning the casserole ¼ turn every 3 minutes, until pork is done, 4 to 6 minutes.