Freeze cheese blocks for 15 minutes, then shred all four cheeses.
Boil chicken stock, add salt and macaroni, cook 9 to 11 minutes, drain.
Season hot noodles, fold in shredded cheese until fully melted and smooth.
Transfer to a casserole dish and freeze for at least 1 hour until firm.
Set up three bowls: seasoned flour, egg and cream mixture, seasoned breadcrumbs.
Portion, form into balls, and coat through flour, egg wash, then breadcrumbs.
Heat oil to 350 to 365°F using a digital thermometer.
Fry in small batches for 2 to 3 minutes until deep golden brown. Rest on a wire rack.
Mix dipping sauce ingredients. Plate bites, garnish with parsley, and serve hot.