YOU WOULD BEFORGIVEN if you thought that reading a celebratory story about vegetables by April Bloomfield would be a little like hearing Mollie Katzen sing the praises of pork belly. After all, Bloomfield, the British-born chef and co-owner of New York’s Spotted Pig, The Breslin, The John Dory Oyster Bar, and (most recently) Salvation Taco, has become synonymous with Roquefort-topped burgers, pig trotters for two, and “thrice-cooked chips.” (Not to mention, she’s wearing a swine like a scarf on the cover of her 2012 cookbook, A Girl and Her Pig.) Ask Bloomfield about this, though, and she laughs. “It’s a shame I’m known for meat, because I really love vegetables,” she says. “Especially in the spring, when everything comes more alive after hibernating.” In fact, her second cookbook, out next…