In this video, view Chef Nicole McLaughlin prepare a tacky dip and a simple roasted onion dish that will satisfy the vegetable fan in all people. She utilizes a tasty southern variety of onion that takes its name from a town in Georgia, and it can only be can be called a Vidalia if it's grown in one of just 20 counties, so don't be tricked by any impersonators in the supermarket. Serve the dip with crackers…