Bring the water to a simmer with the butter, then remove from the heat and add the flour
Cook slowly for about 8 minutes until the mixture leaves the sides of the pan
Remove the mixture from the heat and stir in the grated Parmesan. Separate 3 of the eggs and add 3 egg yolks and 1 whole egg along with the mustard, salt and a generous amount of pepper
Pipe balls of the mixture onto a tray of polenta and coat the beignets. Heat the deep-frying oil to 180°C and fry the beignets in a deep-fat fryer or using a large pan for 2 minutes until crisp. Drain well on a paper towel before serving
