What can I use instead of milk in my mashed potatoes?

Heavy cream is the best substitute for milk when making mashed potatoes. Heavy cream, equal to one-fourth of the milk volume, should be added. You can also use melted butter, stock, or sour cream in place of the original ingredients. Almond milk, coconut milk, and vegetable stock are examples of vegan substitutes.

Silky Terrier Dog Breed Playing Aro... Silky Terrier Dog Breed Playing Around

What can I add to mashed potatoes to make them thicker?

Adding a Thickening Agent is the first step. The most common method of thickening mashed potatoes is to add flour. It’s possible to make do with what you already have on hand: When it comes to pantry staples, you can’t go wrong with flour or cornstarch.