Recipe Book: Betty Crocker’s Picture Cook Book Publishing and Copyright: General Mills, Inc. and McGraw-Hill Book Company, Inc. C: 1950
Mix together ½ cup grated Swiss cheese, ½ cup minced cooked ham, ½ tsp. prepared mustard, ¼ tsp of salt, dash of pepper, 1 egg yolk. Form into balls. Roll in minced chives or parsley.