In a small bowl, combine breadcrumbs, cheese & parsley. Chop bacon finely & fry until crisp; drain. Add bacon to breadcrumb mixture.
Preheat oven to 350 F. In a saucepan, melt butter, add minced garlic, Worcestershire sauce & dry mustard. Mix well. Dip chicken fillets in butter mixture & place in a shallow ovenproof dish. Press crumb mixture on top of each fillet.
Bake, uncovered for 20 – 25 minutes.
In a saucepan, combine oil, vinegar, minced garlic, finely chopped basil leaves & cream; stir until heated through. Add egg yolk & stir until sauce thickens. Do not boil. Season with salt & pepper. Serve over chicken parmigiana.