Combine vinegar, brown sugar, soy sauce and sesame oil in large bowl; whisk until brown sugar is dissolved. Add Gochujang paste; whisk to incorporate.
Add Extra Melt Monterey Jack Cheese Sauce to Gochujang mixture; whisk until well combined.
Add scallions and black and white sesame seeds to cheese sauce; whisk to blend. Garnish with additional scallions and sesame seeds.
Hold sauce chilled until service.
This sauce can also be served warm over rice bowls or Korean tacos.
Use this sauce as a spread or dip for bahn mi sandwiches.