1
Adjust rack to top position, then preheat oven to 450 degrees. Wash and dry all produce. Halve, deseed, and thinly slice green pepper. Halve, peel, and thinly slice onion. Trim, then thinly slice scallions, separating whites from greens. Zest 1 tsp zest from lime; halve lime. Thinly slice jalapeño, removing ribs and seeds for less heat.