Recipe(tried): Steak Marinade

I have a great steak marinade recipe. I use this marinade and get rave
reviews.
Happy grilling!!!
1 cup soy sauce(I use lite)
2 large onions, coarsely chopped
2 cloves of garlic halved
1/4 cup bottle gravy coloring(kitchen bonquet and gravy master)
2 teaspoons season salt
combine soy sauce onion and garlic in the container of electric blener cover process at high speed. stir in gravy coloring and season salt.
Arrange steaks in glass dish and marinade for 2 to 4 hours or longer.