– 2 tablespoons butter
– 4 scallions, white bulbs and green tops chopped and reserved separately
– 1 red bell pepper, chopped
– 4 ribs celery, chopped
– 1 pound (about 3) boiling potatoes, peeled and cut into 1/2-inch dice
– 4 cups fresh corn kernels (cut from about 8 ears), divided
– 1 bay leaf