Peel the potatoes, cover with cold water and cook until tender. it is better if you slightly overcook the potatoes, then the mashed potatoes will be more tender.
do not add salt!
While the potatoes are cooking, fry the finely chopped smoked bacon in a dry pan until golden brown.Put the milk to warm up.
drain the liquid from the potatoes. return the pan to the stove and lightly dry the potatoes. Now mash the potatoes with a masher thoroughly without adding any liquid. Once all the potatoes are mashed, add the melted cheese and mash everything together again.
Pour in portions of hot milk and mash the potatoes until smooth. Now add salt to taste and bacon.
Take a whisk and whisk the puree thoroughly so that it becomes airy.i assure you, now for all the holidays you will prepare mashed potatoes only in this way.