Roast potatoes will be perfectly crisp and fluffy if 1 simple ingredie

There is one ingredient that people often overlook when cooking roast potatoes at home, which prevents them from becoming extremely crispy. Potatoes are a staple in Christmas dinners and Sunday roasts across the country, so getting this right is essential when they are cooked on special occasions.

Incorporating this one simple ingredient into roast potatoes ensures you execute perfectly crispy exterior roast potatoes according to New York Times food columnist and author of New York Times bestseller book: The Food Lab: Better Home Cooking Through Science , James Kenji Lopez.

Chef Kenji describes his recipes as the "best crispy and crunchy roast potatoes he's ever had". Chef Kenji reveals the secret lies in incorporating 1/2 teaspoon (4g) of baking soda into the boiling water an