What are the main ingredients to make a caesar salad?

The main ingredients for a classic Caesar salad are:
- Romaine lettuce
- Croutons
- Parmesan cheese
- Anchovy fillets
- Garlic
- Lemon juice
- Olive oil
- Worcestershire sauce
- Dijon mustard
- Egg yolks
- Salt and pepper

These ingredients are typically used to make the Caesar dressing and tossed with the romaine lettuce, croutons, and parmesan cheese to create the salad. Some variations may include the addition of grilled chicken, shrimp, or bacon.