From BBQ to Burritos: Candidates Chow Down on the Campaign Trail -- PICTURES

Former Pennsylvania Sen. Rick Santorum and his daughter, Elizabeth, eat lunch in La Crosse, Wis., Wednesday, March 28, 2012. (AP Photo/Jae C. Hong)

Republican presidential candidate Rick Santorum talks with reporters outside of Corky's Ribs & BBQ in Memphis, Tenn., on March 4, 2012. (AP Photo/Eric Gay)

During his stop at Corky's Ribs & BBQ, Rick Santorum samples the barbecue ribs at the Memphis, Tenn., eatery on March 4, 2012. (AP Photo/Eric Gay)

Supporters eat at a pancake breakfast hosted by former Massachusetts Gov. Mitt Romney, at Georgia's Brookwood High School on March 4, 2012. (AP Photo/Gerald Herbert)

Then-Republican presidential candidate Rick Perry eats fruit as he campaigns at the Faith and Freedom Coalition Prayer Breakfast in Myrtle Beach, S.C., on Jan. 15, 2012. (AP Photo/Charles Dharapak)

Republican presidential candidate Newt Gingrich eats "Moose Tracks" -- vanilla ice cream with chocolate peanut butter cups and swirls of thick chocolate fudge -- as he campaigns at Elly's Tea and Coffee House in Muscatine, Iowa, on Jan. 3, 2012. (AP Photo/Charles Dharapak)

Then-Republican presidential candidate Jon Huntsman shakes hands while grabbing something to eat at the Laconia Rotary Club luncheon in Laconia, N.H., on Dec. 29, 2011. (AP Photo/Cheryl Senter)

Mitt Romney and his wife, Ann, eat burritos at Dos Amigos Burritos while campaigning in Concord, N.H., on Dec. 23, 2011. (AP Photo/Winslow Townson)

Then-GOP candidate Rick Perry walks with his wife Anita and eats a veggie corn dog as they visit the Iowa State Fair in Des Moines, Iowa, on Aug. 15, 2011. (AP Photo/Charles Dharapak)

Mitt Romney eats a pork chop on a stick as he campaigns at the Iowa State Fair in Des Moines, Iowa, on Aug. 11, 2011. (AP Photo/Charles Dharapak)

While campaigning at the Iowa State Fair in Des Moines on Aug. 11, 2011, Mitt Romney carries a half-eaten corn dog. (Romney Press Secretary Andrea Saul http://yfrog.com/h0b97oxqj)

Newt Gingrich and wife Callista flip pork chops at the Iowa State Fair in August 2011. (CHARLES DHARAPAK/AP)