^ I dont qualify there but I'll post anyway

A very simple snack here; ingredients need to be reasonably good so I'll concentrate on that aspect.
Avocado snack# Avocado(s) - best get with a thick skin for this -
Haas variety are good here. I usually buy underripe and allow to ripen (I think if you put in a paper bag and wrap it tight it ripens quicker) - of course you've got to remember to check them regularly

# Cider vinegar - it's worth (with apologies) splashing out and buying a good organic unpastuerised vinegar. Be sure and store it out of light with the lid well closed.
# Soy or Tamari sauce (I'm not anti-sugar, but if it has sugar in the ingredients it's not real soy/tamari sauce). Careful with soy sauce, it's very easy to overdo it and there aint no way back.
Avocado needs to give when you press the main part. Takes a bit of practice I guess to know if they still hard in the middle. (If you cut it and it is quite hard near the stone, it might be better to make guacomole with it.)
# Slice the avocado long ways.
# Stick the knifetip in the stone and push it out
# Score each side long and cross ways till you've got it cross-hatched - be careful to not cut the skin
# about two-thirds fill where the stone was with vinegar
# add soy sauce very slowly so it goes dark, but you can still see the lighter colour at the edges. Squeeze the avocado a bit each way so the liquid goes in the scores.
# eat with a tea spoon - careful not to spill on your clothes :p or spoon it out on to well toasted bread and eat with knife and fork to avoid disaster ;-)
Cider vinegar can be a bit of an aquired taste (I dont use any other vinegar at this stage myself) - if it's too strong, add another bit soy sauce
If the avocado is quite hard when you cut it - it wont be great for this recipe, so you could make a
Guacamole of sorts - I'm no expert there so maybe look up your own recipe, but I just mash up the avocado with a fork or potato masher and add lemon juice and ground cumin or spice(s) of choice to taste, plus a tiny bit of soy sauce (too much and it gets murky coloured - so just using salt might be safer).