Potatoes are a staple food in many households and are used in a wide range of dishes, from mashed potatoes to french fries. Peeling potatoes ahead of time can be a great time saver, especially when preparing large meals or when you have a busy schedule. However, it is important to know how far ahead you can peel potatoes before cooking them to ensure that they are still safe to eat and do not spoil.

In general, peeled potatoes can be stored in water for up to 24 hours before cooking. This is because peeled potatoes are exposed to air, which can cause them to oxidize and turn brown. Storing them in water prevents this from happening and keeps them fresh for longer.
To store peeled potatoes, simply place them in a container filled with cold water and store them in the refrigerator until you are ready to cook them. It is important to change the water every few hours to prevent the growth of bacteria and to ensure that the potatoes stay fresh.
It is also important to note that while storing peeled potatoes in water is safe, it is not recommended to store potatoes in water for extended periods of time. This is because potatoes can absorb water, which can affect their texture and flavor. In addition, storing potatoes in water for too long can lead to the growth of bacteria and spoilage.
If you need to peel potatoes more than 24 hours in advance, it is recommended to freeze them. To freeze peeled potatoes, blanch them in boiling water for 2-3 minutes, then rinse them in cold water to stop the cooking process. Pat them dry with a paper towel and place them in a single layer on a baking sheet. Place the baking sheet in the freezer until the potatoes are frozen, then transfer them to a freezer-safe container or bag. Frozen potatoes can be stored for up to 6 months.
When you are ready to cook your peeled potatoes, simply drain the water and rinse them with fresh water to remove any dirt or debris. Then, cook them according to your desired method, such as boiling or roasting.
In conclusion, peeled potatoes can be stored in water for up to 24 hours before cooking. To store peeled potatoes, place them in a container filled with cold water and change the water every few hours. It is not recommended to store potatoes in water for extended periods of time. If you need to peel potatoes more than 24 hours in advance, it is best to freeze them. When cooking peeled potatoes, be sure to rinse them with fresh water to remove any dirt or debris before cooking.