Peel onions. Cut in half, crosswise. Arrange with cut sides up in a greased 1.5 quart casserole. Add just enough wine to cover bottom of casserole. Sprinkle with salt and pepper. Cover and bake for 30 minutes at 190ºC . Top with bread crumbs mixed with cheese. Bake uncovered for 15 to 20 minutes longer or until onions are brown and tender. Makes 6 servings.