Marinated Flank Steak With Horseradish Sauce - cooking recipe

Ingredients

Steak
1/2 cup soy sauce
1/2 cup white wine
1/2 onion, chopped
3 tablespoons fresh rosemary, chopped
2 tablespoons olive oil
2 garlic cloves, chopped
2 lbs flank steaks, trimmed
Sauce
1/2 cup sour cream
1 tablespoon prepared horseradish
1 teaspoon prepared horseradish
2 green onions, chopped

Preparation

Steak: Combine first 6 ingredients in glass baking dish. Add steak and turn to coat. Cover and marinate overnight, turning occasionally.
For Sauce: Mix first 3 ingredients in small bowl. Season with generous amount of pepper. (Can be prepared 1 day ahead. Cover and refrigerate.).
Prepare barbecue (high heat). Drain steak. Pour marinade into small saucepan and boil 2 minute.
Season steak with generous amount of pepper. Grill to desired doneness, basting occasionally with marinade, about 6 minutes per side for rare.
Transfer steak to plate and let stand at least 15 minutes.
Cut steak across grain into thin diagonal slices. Serve with horseradish sauce.