• 8 extra-large eggs
• 250g sour cream
• 50g cream cheese, at room temperature
• 2 tablespoons good mayonnaise
• 1 tablespoon freshly squeezed lemon juice
• 2 tablespoons minced fresh chives, plus extra for garnish
• 100g good smoked salmon, minced
• 1 teaspoon salt
• 1/2 teaspoon freshly ground black pepper
• 50g salmon roe