8mm Coarse Dry Bread Crumbs for Seafood Gratin Crusts At 8mm this crumb is deliberately chunky, built to sit on top of a wet seafood gratin and stay there. The open structure lets steam escape instead of trapping it, which keeps the crust crisp on the surface while the filling stays moist underneath. Key Features 8mm chunky granule holds on wet gratin fillings Open structure vents steam and keeps the surface crisp Withstands broiler heat without scorching Visible texture for