How do you keep uncooked potatoes from turning brown?

1. Submerge in Cold Water:

* The most common and effective method! Place the potatoes in a bowl of cold water. The water prevents the potatoes from being exposed to oxygen, which is what causes browning.

* Add a tablespoon of lemon juice or vinegar to the water for extra browning prevention.

2. Store in the Refrigerator:

* Keep potatoes in an airtight container or plastic bag in the refrigerator. This slows down the oxidation process.

3. Add a Little Acid:

* Lemon juice, vinegar, or even a splash of citric acid can help prevent browning. The acid reacts with the enzymes that cause the discoloration.

4. Use a Potato Brush:

* Gently scrub potatoes with a vegetable brush before storing them. This removes any damaged parts that can speed up browning.

5. Avoid Damage:

* Handle potatoes gently to prevent bruising or cuts. Damaged areas are more susceptible to browning.

Tips:

* Don't peel potatoes in advance. Peel them right before cooking or using.

* Don't soak potatoes for too long. Prolonged soaking can make them mushy.

* Don't store potatoes with onions or garlic. These produce ethylene gas, which can accelerate browning.

Why do potatoes turn brown?

Potatoes contain an enzyme called polyphenol oxidase, which reacts with oxygen to produce melanin, the pigment that causes the brown discoloration. This process is called oxidation.