Preheat the oven to its highest setting.
Butter a small, shallow ovenproof dish and scatter the smoked salmon, ham pieces or mushrooms over the bottom.
Add the chopped parsley and chives.
Carefully break an egg over the top and season with salt and pepper.
Bake until the egg white is set but the yolk still runny, approximately 5 minutes, and serve immediately with crusty bread.
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