grilled flank steak with sherry-mustard sauce

Name: Grilled Flank Steak with Sherry-Mustard Sauce
Prep time: 9 h 15 min
Cook time: 15 min
Yield: 5
Cuisine: American
Ingredients: ## STEAK; 1 1/2 pound(s) flank steak; 1/3 cup(s) dry sherry; 1/3 cup(s) soy sauce; 2 tablespoon(s) green onions, chopped; 1 tablespoon(s) cracked black pepper; 2 teaspoon(s) coarse grained Dijon mustard; 1 teaspoon(s) fresh ginger; peeled and chopped; ## SHERRY-MUSTARD SAUCE; 8 ounce(s) plain yogurt; 2 tablespoon(s) green onion, chopped; 2 tablespoon(s) dry sherry; 2 teaspoon(s) coarse grained Dijon mustard; 1 pinch(es) salt

(3 RATINGS)

388 Pinches 15 Photos

Lynette C

Gulf Breeze, FL

Updated on Mar 21, 2025

Great way to prepare a less expensive cut of steak. Requires 8 hours of marinating time and the sauce needs to chill for an hour. Plan ahead, and this will be ready to serve in no time.

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Grilled Flank Steak With Sherry-Mustard Sauce on a serving platter.

Blue Ribbon Recipe

Our only complaint with this grilled flank steak recipe is that we didn't make two steaks! The marinade has a slight Asian flair, but the flavors aren't overpowering. It helps to tenderize the tender and juicy flank steak. The tangy sherry-mustard sauce is perfect for dipping. If you like horseradish, you can add a touch of that for a little zing.

— The Test Kitchen

prep time 9 Hr 15 Min

cook time 15 Min

method Grill

yield 5 serving(s)

Ingredients

STEAK
1 1/2 pounds flank steak
1/3 cup dry sherry
1/3 cup soy sauce
2 tablespoons green onions, chopped
1 tablespoon cracked black pepper
2 teaspoons coarse grained Dijon mustard
1 teaspoon fresh ginger; peeled and chopped
SHERRY-MUSTARD SAUCE
8 ounces plain yogurt
2 tablespoons green onion, chopped
2 tablespoons dry sherry
2 teaspoons coarse grained Dijon mustard
1 pinch salt

How To Make grilled flank steak with sherry-mustard sauce

Test Kitchen Tips

We grilled our flank steak 4 minutes on each side for medium rare.

Step 1

Score the steak 1/4 inch deep on both sides.

Step 2

Combine 1/3 cup sherry, soy sauce, green onions, black pepper, Dijon mustard, and ginger in a small bowl; stir well.
Step 3

Either marinate the steak in a shallow dish or a resealable plastic bag. Marinate for 8 hours.
Step 4

For the sauce, combine all sauce ingredients in a small bowl; stir well. Cover and chill 1 hour.
Step 5

Remove the steak from the marinade; discard the marinade. Grill steak over medium coals or broil 6 inches from the heat for 6 to 8 minutes on each side or until your desired degree of doneness.
Step 6

To serve, slice diagonally across the grain into thin slices. Serve with Sherry-Mustard Sauce.
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