So, What Is the Best Way to Keep Apples from Browning?
After a lot of in-depth testing and experimenting, we found that the best way to keep apples from browning was to submerge the sliced apples in a large bowl of salted water. To keep apple slices from browning, use a ratio of 1/2 teaspoon of kosher salt for every cup of room-temperature tap water. Soak the apples in the solution for about five minutes, and then rinse them in a colander under running tap water. Read on to learn more about why this particular method worked the best, as well as other methods that did a decent job in preventing the apples from browning.