In a large bowl add the minced garlic (about ½ tsp worth for each avocado) and lime juice (about 1 tsp per avocado).
Cut avocados in half, carefully remove the seed and scoop the flesh into the bowl with the garlic and lime.
Sprinkle in a pinch or 2 of flaky salt.
Gently mash the avocado and salt into the lime and garlic with a fork to your desired consistency – I like to leave mine chunky as it will break down even more when you mix in the rest of the ingredients.
Taste as you go and add salt and lime as needed - proper salting is what separates good guac from transcendent guac.
Allow this mixture to sit and marinate while you prepare the rest of the ingredients.
Finely dice your onion and any optional ingredients like tomato and jalapeno. Add these to the bowl.
Chop a small handful of cilantro leaves and tender stems and add them to the bowl or add Mexican oregano now if using.
Gently stir everything together until combined.
Grab a chip or spoon for a final taste. Add more salt, lime, or spice if desired.
Enjoy right away or within a couple of hours. See below for how to store if not serving immediately.
To store or travel, place plastic wrap directly on the surface of the guacamole - press it flat so there is no air between the guacamole and the plastic wrap. Even if you have a lid for your container, put the plastic wrap on first, as exposure to the air will turn the avocado brown.