To serve, put the slice of toast in the middle of the plate. Spoon over the scrambled eggs, place the smoked salmon on top and season with lots of black pepper.

Crack in the egg and fry until the white has just set. Spoon the mushroom and leek mixture over the toast. Top with the fried egg and another grind of black pepper and serve immediately.

Cut each piece of toast into small squares and put into individual bowls. After 5 1/2 minutes, pour out the hot water from the pan. Immediately crack each egg by tapping and rotating it several ...