Roughly chop <quantity>½</quantity> onion and set aside

Roughly chop <quantity>½</quantity> serrano pepper, keeping the seeds, and set aside

Halve and pit <quantity>2</quantity> avocados

Use a spoon to remove the pulp. Press the avocados through a wire rack to cut into cubes and transfer to a bowl

Add the onion, serrano pepper and <quantity>¼<unit>cup</unit></quantity> of coriander to a separate mixing bowl

Halve <quantity>1</quantity> lime and set aside <quantity>½</quantity>

Squeeze the juice from <quantity>½</quantity> lime into the mixing bowl with the onion, pepper and coriander

Transfer to a food processor

Pulse for about 2m, scraping the sides with a spatula, until the mixture is well combined but still a chunky paste

Add the mixture to the bowl with the avocados

Add <quantity>½<unit>tsp</unit></quantity> of salt and mix

Place in a serving bowl

Garnish with coriander leaves and season with fleur de sel to taste

Drizzle with extra virgin olive oil

Squeeze the juice from <quantity>½</quantity> lime. The guacamole is ready

Enjoy!