Remove the oregano, parsley and thyme leaves from the stem, discard the stem.
In a mortar and pestle place the cloves of garlic, crush the cloves adding a small pinch of salt, until you have a smooth paste. Then add the oregano, parsley and thyme and crush all. Remove, add the rest of the ingredients, mix well, cover and place in a warm space in the kitchen for at least 5-6 hours.