Like guacamole and think you have a winning recipe? This event is made for you - on Sunday, April 28, The Painted Burro is hosting a Guac-Off at the Somerville hotspot. Twelve recipes will compete and the winner will have his or her name on the menu, plus a slew of other benefits like first-dibs on reservations for a year and other fun stuff. Click here to submit your guac recipe; those who make it into the contest will be notified. Beginning at 3 PM on Sunday, the judges, including chef Danny Bua and those attending will select their favorite dip. Or you can just come and taste. RSVP here (617-776-0005).