Peel and cube potatoes and put them on to boil

Boil potatoes 15-20 minutes or until tender

Dice bacon then cook and drain on a paper towel

Drain potatoes and return them to hot pan

Add to hot potatoes milk, butter , salt and pepper

Mash to consistency you would like , I like a few lumps in mine

Stir in half the cheese

Stir the sour cream and half the bacon

Spread into a 9x13 baking dish

Cover with foil and bake at 350 for 20 minutes

Remove from oven , top with remaining cheese and bacon

Bake for another 20-25 minutes

Serve hot