The best ceasar salad 🥗

Ingredients

• 135 g chicken breasts
• 60 g iceberg lettuce
• 2 1/2 tbsp mayonnaise
• 2 tbsp olive oil (for marinating)
• 2 1/2 tbsp olive oil
• 2 cloves garlic
• 1 tsp dried basil (for marinating)
• 1/8 tsp dried oregano
• 1/2 tsp dried oregano (for marinating)
• 1 tsp Onion salt
• 1 tsp dried rosemary (for marinating)
• 1/2 tsp Black pepper
• 1 pinch salt
• 1 1/2 tsp oyster sauce
• 2 tbsp butter
• 3 tbsp Parmesan cheese (grated, for garnish)