1/3 c. red wine vinegar 1/3 c. salad oil 1 sm. onion, thinly sliced & separated in rings 1 tsp. salt 2 tsp. dried parsley flakes 1 tsp. prepared mustard 1 tbsp. brown sugar
2 (6 oz.) cans mushroom crowns, drained
Directions:
Simmer all ingredients together for 5 to 6 minutes. Chill in a covered bowl several hours, stirring occasionally. Drain. Makes about 2 cups of mushrooms.