Melt butter; add onion and ... add egg yolk, horseradish, parsley, salt, cayenne and ... in small shallow casserole, top with bread crumbs ... shells, without bread crumbs.
Cook broccoli according to directions. ... milk, mayonnaise and horseradish. Stir into broccoli. Spoon into a greased 2 quart casserole. Combine melted butter and ... 45 minutes. 6-8 servings.