Acadian-Style Crab Salad on Croissants

Ingredients

• 2 (170g) tubs fresh lump crabmeat (450g small prawns may be substituted)
• 2 ribs celery from the heart, finely chopped
• 25g white onion, finely chopped or grated with a hand grater
• 35g mayonnaise
• 60ml chilli sauce, eyeball the amount
• 1 teaspoon hot sauce (recommended: Tabasco)
• 1 tsp Worcestershire sauce
• Salt and pepper
• Bibb or leaf lettuce, 4 leaves
• 4 large croissants, split lengthwise