In a large sautué pan over medium heat melt the butter. When the butter is hot, add the scallions and sautué, stirring occasionally, until tender, about 5 minutes.
Add the cabbage and cook, stirring occasionally, until tender, 15 to 20 minutes. Season with salt and pepper, transfer to a bowl.
Add the cheese, eggs, milk, bread crumbs, parsley and season with salt and pepper.
Transfer to a baking dish and bake for 30 minutes or until is set at 350 F.
Serve warm with tomato sauce on the side.