How to Make Perfect Mashed Potatoes

Bahan-bahan (6 porsi)

• 2 pounds Yukon Gold or Idaho potatoes, (peeled and cut into 1-inch pieces)
• 3 tablespoons kosher salt
• 1 cup warm milk
• 4 tablespoons unsalted butter, (cut into small pieces)
• ½ teaspoon freshly ground black pepper
• additional salt, (to taste)