Cover bulgur with cold water; let stand 10 minutes. Drain; press bulgur to remove
Mix lamb, onion, salt and pepper; add bulgur. Knead until well mixed.
Prepare Stuffing: Cook and stir all ingredients until lamb is light brown, about 5 minutes.
Press half the lamb-bulgur mixture evenly in an ungreased 8-inch square pan.
Cover with Stuffing; spread remaining lamb-bulgur mixture evenly over stuffing.
Cut diagonal lines across top to make diamond pattern. Pour butter over meat loaf.
Bake uncovered at 350 degrees F until brown, about 40 minutes.