Marinated Mushrooms
["3 (4 1/2 oz.) cans mushrooms", "1/3 c. vinegar", "1/3 c. oil", "2 tsp. parsley flakes", "1 Tbsp. dried mustard", "2 Tbsp. sugar", "1 small onion, cut up", "salt"]
["Combine all but the mushrooms; cook for 5 minutes on medium to medium-high.", "Add mushrooms; simmer for 2 minutes.", "Put in bowl; cover tightly and chill for several hours or overnight.", "Stir a few times."]
["mushrooms", "vinegar", "oil", "parsley flakes", "mustard", "sugar", "onion", "salt"]