From my Gramma!! Family tradition all summer on any meat!!
3 cups soy sauce
1/4 cup fresh grated ginger root
2 tbls garlic
1/2 cup chopped onion
3 cups sugar
3 tbls ketchup
1 tbls taco sauce (tapatio etc)
5 tbls honey
1 tbls worchestershire
1/4 sherry wine
Heat soy (medium high) and skim any foam that builds up
add ginger, garlic and onion
boil for 5 minutes
Add rest of ingrediants and cook near boiling for 10 minutes
Strain ingrediants and save in fridge for use.
Score flank steak across grain with knife or clever then put in ziplock with enough marinade to cover well 12-24 hours before grilling to medium. Carve slanted across grain and enjoy!!!
Makes generous quart for multiple recipes.