Add the minced onion, fried onions, onion powder, garlic powder, soy sauce, balsamic vinegar and sour cream to the bowl and mix thoroughly to combine.
Serve immediately, or cover and keep in the refrigerator until you need it. If you make this ahead of time, take it out of the refrigerator about 15 minutes before serving, allow to warm up a little bit, and give it a good stir to smooth it out.
Hillstone (formerly Houston’s) is a New York City institution. It’s an upscale barbecue restaurant