Marinated Mushrooms - cooking recipe

Ingredients

1/3 c. wine vinegar
1/3 c. oil
1 small onion, sliced thin
1 tsp. salt
2 tsp. dry parsley flakes
1 tsp. prepared mustard
1 tsp. brown sugar
2 (6 oz.) cans button mushrooms, drained

Preparation

Combine all ingredients, except mushrooms.
Bring to a boil. Add mushrooms and simmer for 5 minutes.
Marinate at least overnight or longer.