German Potato Salad
["2 lb. potatoes", "3/4 c. hot beef stock", "1/2 c. finely chopped onion", "1/4 c. apple cider vinegar", "1/4 c. oil", "1 tsp. salt", "1/4 tsp. black pepper"]
["Boil potatoes with skins until tender.", "Peel while hot and allow to cool only enough to slice about 1/8-inch thick.", "Add oil, salt, pepper, onion and vinegar.", "Pour hot beef stock over potatoes.", "Mix gently together in order to not break up potatoes. Let set at room temperature for at least 1 hour.", "Mix again just before serving.", "Garnish with chopped green onion tops."]
["potatoes", "hot beef stock", "onion", "apple cider vinegar", "oil", "salt", "black pepper"]