To make sauce,mash anchovies with a fork and put in a jar, add sour cream, mayonnaise, crushed garlic and enough warm water to make the sauce pourable.put lid on jar and shake till thoroughly mixed.season with salt and pepper to taste.

Break appart lettuce wash thoroughly and let drain, while lettuce is draining grill bacon until crisp and put on papper towels to drain away oil.

Tear lettuce and divide between two plates or large bowls.

Scatter prawns, torn bacon,croutons and shaved parmesan over torn lettuce.

Cut eggs in half and place in middle of salad drizzle with sauce.