Anyone who has ever swung by a Foodie Fest of any kind has witnessed the mass hysteriawe mean appeal of a food-truck gathering. Continuing this tasty trend, the OC Fairgrounds hosts a weekly meetup, with the trucks changing each week. Find out what's cooking at Lot D (at Gate 4, off Arlington Drive). Parking and admission are free. Visit www.ocfair.com/ocf/ for a list of this week's offerings.