Mix all ingredients in a large glass or stainless steel bowl. Whisk until well blended. Store in tightly sealed jars in the refrigerator.
To use, pour a small amount of the dip in a nonporous baking dish and dip the steaks in it, coating both sides well. Marinate for about 30 minutes before cooking, turning often. Grill or broil to desired degree of doneness.
Servings: 12