Crab caesar salad

Ingredients

• 1 small fresh crab or 1 x 170g can white crabmeat
• 3 x 15ml (3 tablespoons) olive oil
• 1or 2 cloves garlic, peeled and finely chopped
• 2 slices focaccia or plain white bread, crusts removed and cubed
• 4-6 heads baby Cos or Romaine hearts lettuce
• salt and black pepper
• juice of 1 lemon (optional)
• 3 x 15ml spoon (3 tablespoons) prepared Caesar dressing
• 15g freshly grated Parmesan cheese