How to Make Guacamole (and store it!)

INGREDIENTS

ripe avocados ((I use Hass variety))

1/4 cup

red onion (, finely diced (or shallot))

small handful fresh cilantro (, finely chopped)

1 tbsp

lime juice (, freshly squeezed)

1/4 tsp

fine salt (, plus more to taste)

1/3

jalapeno (, finely chopped (with or without seeds))