1
Adjust racks to middle and top positions (top, middle, and bottom positions for 8 servings) and preheat oven to 350 degrees.
Generously coat a standard 12-cup muffin tin (two muffin tins for 8) with nonstick cooking spray. Wash and dry produce.
Drain corn, then pat dry with paper towels. Trim green beans if necessary. Halve, peel, and thinly slice shallot. Pick parsley leaves from stems; roughly chop leaves.