Spray a cold cookie sheet with nonstick spray coating. Set aside.
In a 9-inch pie plate stir together bread crumbs, Parmesan cheese, and paprika until well mixed. In a medium mixing bowl place zucchini, onion rings, or cauliflower. Drizzle vegetables with salad dressing; toss until coated. Then, roll vegetables in crumb mixture until coated. Place the coated vegetables in a single layer on the prepared cookie sheet.
Bake vegetables in a 450 degree F oven for 9 to 11 minutes or until golden. Makes 4 (1/2-cup) servings.