sentence: cut potatoes in half and then into even pieces sentence: add potatoes the the boiling water and cook for fifteen minutes sentence: melt the butter and add garlic sentence: after the garlic has cooked stir in the cream and heat up sentence: stir until the cream bubbles sentence: strain the potatoes sentence: place the potoes into a pan and start mashing the potatoes sentence: add cream gradually and continue to whisk the potatoes sentence: stir in parmesan cheese and salt and pepper