Step 1

Place potatoes in a large pot and cover with 2 inches of water. Add 1 teaspoon salt to water and bring to a simmer. Simmer until potatoes are soft, about 20 minutes. Drain well, reserving about 1/2 cup cooking liquid.

Step 2

Place potatoes back in pot or in a large bowl. Add butter and use a potato masher or potato ricer to mash until smooth.

Step 3

Stir in mayonnaise, salt, and both peppers.

Step 4

If too thick add some of the reserved cooking liquid or you can add milk, but warm it first.