Place the leeks, cabbage, zucchini, green onions, Swiss chard and potatoes in a large pot.
Fill half the pot with water and boil covered for 30 minutes until the potatoes are tender.
Cool slightly.
Coarsely chop up the vegetables and put them into a large bowl.
Add the garlic, chili flakes, salt, pepper, oil, and nutmeg.
Toss lightly.
Add the bread crumbs, Parmesan cheese, and eggs.
Stir until blended.
Grease a casserole pan, baking pan or 10-inch pie plate.
Chop the vegetables into 1/2 inch pieces.
Place in a large bowl.
Bake in the oven for 45 minutes.
Cool and then cut into squares or wedges.