A culinary expert has divulged her secret to achieving the perfect creamy mashed potatoes, and it surprisingly doesn’t involve boiling them in water.

Mashed potatoes are a staple comfort food during the chilly winter months, yet many struggle to master the desired creamy consistency.

For years, countless home cooks have been unwittingly making do with sub-par mash, but one chef believes she can put an end to this common kitchen blunder.

Rosemary Gill, the director of education at Boston’s Milk…