Step 1

Take the washed, peeled and diced (into 1 inch cubes) and place them in the Instant Pot along with the water.

Step 2

Lock the lid into place, make sure the knob is set to sealing and then pressure cook on Manual HIGH for 2 minutes and then quick release the pressure.

Step 3

Drain any liquid that is left.

Step 4

Add the butter to the potatoes and roughly mash by hand until the butter has been incorporated.

Step 5

Add in the milk and sour cream and finish mashing the potatoes. Do not over mash!

Step 6

Season with salt and pepper. I didn't write a specific measurement because this is something that varies so much person to person. I suggest seasoning, tasting, seasoning, tasting etc until it is seasoned to your liking.

Step 7

Stir in 1/2 cup of the shredded cheese and then transfer to an oven safe dish.

Step 8

Top the potatoes with the remaining cheese. Broil in the oven until the cheese has melted.