Maurice Salad dressing?!

Maurice Salad dressing?

Does anyone have a recipe for how to make Maurice Salad dressing??

MAURICE SALAD (Hudson's)

DRESSING:
2 t. white vinegar
1 1/2 t. lemon juice
1 1/2 t. onion juice
1 1/2 t. sugar
1 1/2 t. Dijon mustard
1/4 t. dry mustard
1 c. mayonnaise
2 T. chopped fresh parsley
1 hard cooked egg, diced
salt to taste

SALAD INGREDIENTS:
14 oz. ham, cut into strips
14 oz. cooked turkey breast, cut into strips
14 oz. Swiss cheese, cut into strips
1/2 c. slivered, sweet gherkin pickles
1 head Iceberg lettuce, shredded
12-16 pimento stuffed green olives

Combine the first 6 dressing ingredients and stir to dissolve the sugar. Add remaining dressing ingredients and mix well. Combine the ham, turkey, cheese and pickles together in a large bowl. Toss together with the dressing. Divide the lettuce among plates, top with salad and garnish each plate with 2 olives.
(serves 6-8)