Peel the potatoes and cut into large chunks. Fill a large pot with salted cold water and place in the potatoes. Bring to a boil and cook for around 20 minutes til tender. Drain and set aside.
2 pounds potatoes (Russets or Yukon Gold)
Put the pot back on a low heat, and add in the butter and cream Grate in the lemon zest and garlic and add in the salt and pepper.
¼ cup salted butter, ½ cup cream (35%), 1 garlic clove, zest of 2 lemons, ¼ teaspoon salt, pinch black pepper
Warm the cream through for a couple of minutes, don't let it boil.
Take the pot off of the heat, add in the cooked potatoes and mash together til creamy and smooth.
Taste for seasoning and serve.