Scalloped

a.
  1. Furnished with a scallop; made or done with or in a scallop.
  2. Having the edge or border cut or marked with segments of circles. See Scallop, n., 2.
  3. (Cookery) Baked in a scallop; cooked with crumbs.
  4. Scalloped oysters (Cookery),
    opened oysters baked in a deep dish with alternate layers of bread or cracker crumbs, seasoned with pepper, nutmeg, and butter. This was at first done in scallop shells.