Grilled Marinated Flank Sandwiches | Paula Deen

Ingredients

• 3/4 cup soy sauce
• 1/4 cup Olive oil
• 3 tablespoons Worcestershire sauce
• 2 tablespoons plus 1/2 teaspoon for horseradish sauce fresh lemon juice
• 3 cloves minced garlic
• 2 teaspoons Black pepper
• 1 (4 1/2 lb) trimmed flank steak
• 2 teaspoons minced green onion
• 1 cup mayonnaise
• 6 slices cooked and crumbled bacon
• 2 teaspoons prepared horseradish
• 1/4 teaspoon lemon zest
• 12 to 15 split, buttered, and toasted onion rolls
• for serving arugula