One ingredient to make 'the best roast potatoes you've ever had'

The most important part of a roast.

Adding just one simple ingredient to roast potatoes means that you get perfectly crunchy roasties on the outside that stay fluffy inside, according to a chef. His method has become hugely popular online, with many home cooks trying it for themselves.

Chef Oli Brandon, known as @theptchef on TikTok, shared his process for making what he calls "the best roast potatoes". In the video, he bites into one of the finished potatoes and describes the sound as "the sound of the best roast potatoes you've ever had". His post has already gained over half a million likes and been shared more than 100,000 times.

Oli explains that the key is adding a teaspoon of baking soda to the water while boiling the potatoes. In his step-by-step guide, he said: "Put one teaspoo