Beef Stroganoff Sandwich

Name: Beef Stroganoff Sandwich
Prep time: P0Y0M0DT0H5M0.000S
Cook time: P0Y0M0DT0H20M0.000S
Total time: P0Y0M0DT0H40M0.000S
Yield: 4 servings
Ingredients: 1/2 cup sour cream; 2 tablespoons whole-grain mustard; Freshly ground black pepper; 1 pound flank steak; 1 tablespoon Worcestershire sauce; Kosher salt; 3 portobello mushrooms, stems removed; 2 tablespoons extra-virgin olive oil, plus more for oiling the grate and drizzling; 1 large yellow onion, sliced into 1/4-inch-thick rounds; Four 1/2-inch-thick slices rustic country bread; 1 clove garlic, halved; 1/2 cup fresh parsley leaves; Juice of 1/2 lemon

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Beef stroganoff on the grill? We take all the elements of this comfort food classic and spin them into a hearty, fresh open-faced sandwich that's perfect for summer grilling and warm-weather eating.

Level: Easy
Total: 40 min

Prep: 5 min
Inactive: 15 min
Cook: 20 min

Yield: 4 servings

Level: Easy
Total: 40 min

Prep: 5 min
Inactive: 15 min
Cook: 20 min

Yield: 4 servings

Ingredients

1/2 cup sour cream

2 tablespoons whole-grain mustard

Freshly ground black pepper

1 pound flank steak

1 tablespoon Worcestershire sauce

Kosher salt

3 portobello mushrooms, stems removed

2 tablespoons extra-virgin olive oil, plus more for oiling the grate and drizzling

1 large yellow onion, sliced into 1/4-inch-thick rounds

Four 1/2-inch-thick slices rustic country bread

1 clove garlic, halved

1/2 cup fresh parsley leaves

Juice of 1/2 lemon

Directions

Prepare a grill or grill pan for medium-high heat. Cut a 30-by-12-inch piece of aluminum foil.
Mix together the sour cream, mustard and a few grinds of pepper in a small bowl. Cover and set aside.
Rub the flank steak all over with the Worcestershire sauce, 1 teaspoon salt and 1/4 teaspoon pepper. Drizzle the mushroom caps with 1 tablespoon of the oil.
Place the onions in a single layer in the middle of the foil. Drizzle with the remaining tablespoon oil, and sprinkle with 1/2 teaspoon salt and a few grinds of pepper. Fold over the foil; crimp all the open sides tightly while keeping the packet flat.
Lightly oil the grill grates. Grill the steak 7 to 8 minutes per side for medium-rare. Let it rest 10 minutes, covered loosely with foil, then slice thinly across the grain.
Meanwhile, place the onion foil packet and the mushrooms on the grill. Cook the foil packet for 4 minutes per side; remove from the grill, and keep sealed for 5 minutes so the onions continue to soften as they cool. Grill the mushrooms until tender, about 3 minutes per side; slice thinly, and season with 1/4 teaspoon salt and some pepper.
Grill the bread slices until you see grill marks and some char, 30 seconds to 1 minute per side. Rub each grilled slice with the cut side of a garlic clove. Drizzle with oil.
Assemble the open-faced sandwiches: On each slice of bread, spread 1 tablespoon of the sour cream sauce. Top with the steak, mushrooms, onions, another tablespoon of sauce and parsley. Finish with a squeeze of lemon juice and some salt and pepper.