Glad you asked...
You can get rid of vinegar taste by trying seasoning such as salt, pepper, hot sauce, and many others. They say that salt can make vinegar taste not so tart.
Then again, this answer might help you...
Whether you can but vinegar taste, depends on the concentration of the vinegar. If vinegar was used as an ingredient in s dish that will allow sugar to be mixed in, you may be able to reduce the tartness by adding sugar.

