Marinated Green Beans
["2 (1 lb.) cans whole green beans", "1/2 c. chopped or sliced red onions", "2/3 c. sugar", "2/3 c. cider vinegar", "2/3 tsp. salt", "black pepper to taste", "1 Tbsp. oil"]
["Drain beans; save 1/3 cup juice.", "In saucepan, heat onion and all remaining ingredients until sugar is dissolved.", "Pour over beans in bowl.", "Cover and refrigerate overnight."]
["green beans", "red onions", "sugar", "cider vinegar", "salt", "black pepper", "oil"]