Pickled Mushrooms - cooking recipe

Ingredients

1/3 c. red wine vinegar
1/3 c. salad oil
1 small onion, thinly sliced
1 tsp. salt
2 tsp. parsley (I use dried)
1 tsp. prepared mustard
1 Tbsp. brown sugar (Sugar Twin can be used)
2 (6 oz.) cans button mushrooms

Preparation

Combine all ingredients except mushrooms and bring to a boil. Add mushrooms.
Simmer 5 to 6 minutes.
Chill, covered, for several hours (I make the day before using), stirring occasionally.