 
This is a great marinade for flank steak, my mom got it from a Korean friend when my dad was stationed overseas in the Army 50 years ago.
                    Ingredients
- garlic: 4 clove
- fresh ginger: 1 tsp (minced)
- onion: 1 piece (chopped)
- ½ cups low sodium soy sauce: 2 piece
- sesame oil: 0.25 cup (toasted)
- Worcestershire sauce: 3 Tbsp
- unseasoned meat tenderizer: 2 Tbsp
- white sugar: 1 cup
- beef flank steak, trimmed of excess fat: 2 pound
Metric Conversion
Stages of cooking
- 
                                        Place garlic, ginger, and onion in the bowl of a blender. Add soy sauce, sesame oil, Worcestershire sauce, meat tenderizer, and sugar. Puree until smooth. 
- 
                                        Pour the marinade into a resealable plastic bag or glass bowl. Score the flank steak and place into the marinade. Marinate overnight in the refrigerator. 
- 
                                        Preheat a grill for medium-high heat. 
- 
                                        Grill steak on preheated grill to desired doneness, about 7 minutes per side for medium. 
 
       
       
      