Puree 1 cup corn kernels, eggs, milk, parmesan and cornmeal in a blender. Stir in the remaining kernels and chopped scallions.
Melt the butter in a small ovenproof skillet over medium heat. Pour in the corn mixture. Bake in a 350° F oven until set, 30 to 35 min. Serve topped with sliced scallions.