The Fork Food Lab in West Bayside will close at the end of September. Its parent company said the Portland location was no longer viable. Staff photo by Shawn Patrick Ouellette The parent company of the Fork Food Lab in Portland notified its members this week that it will close at the end of September, only two years after it opened. Audrey Farber loads loaves of challahs onto a cooling rack at Fork Food Lab in Portland last summer.