1
Wash and dry produce.
Halve, peel, and thinly slice half the onion; finely dice remaining half. Zest one lime and quarter both (zest two and quarter four for 4 servings). Roughly chop cilantro. Dice tomatoes into 1⁄4-inch pieces. Halve, core, and chop half the bell pepper into 1⁄4-inch pieces (whole pepper for 4). Drain corn. Drain and rinse beans. Mince jalapeño, removing ribs and seeds for less heat.