Flank steak is best for slicing; a marinade gives each slice more flavor. You can grill the whole piece, of course, but I like to grill half of it and leave the rest in its marinade, refrigerated, for a day or two, and cook it later for a salad or stir fry; see the variations below.
Flank steak is also good without marinating: just coat it with curry powder, chili powder, or any other spice rub before cooking. After cooking, slice the meat against the "grain"-that is, across its natural striations. From How to Cook Everything
Grilled Marinated Flank Steak
Makes 4 to 8 servings
Time: About 1 hour, largely unattended, plus time to preheat the grill
4 tablespoons freshly squeezed lime juice
2 tablespoons soy sauce or fish sauce (nuoc mam or nam pla, available at Asian markets)
1 teaspoon minced garlic
1 teaspoon peeled and minced or grated fresh ginger or 1 teaspoon ground ginger
1 teaspoon sugar
Salt and freshly ground black pepper to taste
1 flank steak, 2 to 2 1/2 pounds
2. Remove the meat from the marinade and dry well with paper towels. Grill or broil the steak about 4 inches from the heat source for 3 to 4 minutes per side, or until nicely browned. Move the meat to a cooler part of the grill (or lower the broiling rack) and cook for another 2 minutes per side. Check for doneness by touch, with a thin-bladed knife, or, preferably, with an instant-read thermometer (125°F is about right for rare to medium-rare).
3. Let rest for 5 minutes before cutting into thin slices, across the grain, using a sharp carving knife.
Salad with Grilled Marinated Flank Steak. Cut 1/2 recipe of flank steak, cooked as above, into chunks. Toss with 6 cups of torn washed and dried mixed lettuces (a store-bought mesclun mixture is great), and top with some quartered ripe tomatoes and sliced cucumber. Mix together 6 tablespoons freshly squeezed lime juice, 1 tablespoon soy sauce, and 2 tablespoons peanut oil; add pepper, salt if necessary, and a dash of cayenne if you like. Taste and adjust seasoning. Drizzle over the salad and serve. (Makes 4 servings.)
Marinated Flank Steak for Stir-Fries. Reserve one quarter to one half of the flank steak while you marinate the rest. Freeze the reserved piece for 30 minutes. When you remove the larger piece of steak for grilling, slice the frozen portion as thinly as possible. Use the same liquid to marinate it for up to a day, then use in any stir-fry recipe.
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