Marinated Mushrooms - cooking recipe

Ingredients

25 fresh mushrooms
1 hard-cooked egg yolk, mashed
1/3 c. malt vinegar
1/2 c. vegetable oil
salt and pepper to taste
2 tsp. chopped parsley
1 tsp. prepared mustard
1 Tbsp. brown sugar

Preparation

Mix together all ingredients except mushrooms.
Bring to a boil and add mushrooms.
Cook 5 to 6 minutes.
Refrigerate and marinate overnight.