Potato Peel Stock Washed potato peel of 6 potatoes 1 onion sliced 2 carrots scraped and sliced 1 stalk celery diced 1.25 l water Combine all ingredients in a pan and bring to a boil. Lower heat and simmer 1 1/2 hours. As the water evaporates, add a little more to keep the vegetables covered. Strain and discard the vegetables. Store the stock in the fridge or freeze until required. Makes 1 liter Note: This recipe can be used to replace water in any soup recipe. Prepare it when next peeling potatoes. Contributed by Doreen Randal Source: The Popular Potato Best Recipes