Pat chicken dry with paper towel.
Season chicken with salt and spices.
Heat skillet over medium heat.
Add olive oil to pan.
Cook chicken five minutes per side.
Cook until internal temperature reaches 75°C.
Rest chicken for five minutes.
Slice chicken into strips.
In a bowl, whisk egg yolk.
Add mustard and Worcestershire sauce.
Add garlic and lemon juice.
Slowly drizzle olive oil while whisking.
Mix until thick and creamy.
Stir in Parmesan cheese.
Season dressing to taste.
Place lettuce in large bowl.
Add croutons and half dressing.
Toss gently to coat evenly.
Top with sliced chicken.
Add shaved Parmesan.
Drizzle remaining dressing lightly.
Serve immediately.