I was put on appetizer duty for a friend’s barbecue today.  She wanted to solve the problem of the appetizer table that sits untouched while all her guests spread out around the yard talking and drinking.  She asked me to come with something more portable that people could take with them instead of being tethered to a table. I came up with these little veggie dip cups.  I love them.  They’re colorful and healthy, and they completely avoid the whole communal dip in the sun issue.   I hate…