Drain the canned chickpeas, rinse thoroughly and drain. Fry the chickpeas with 1 tablespoon of oil in a pan for about 5 minutes, turning constantly. Add the hoisin sauce after about 2 - 3 minutes and fry for another 3 minutes, then remove from the pan.
Halve the avocados, remove the stone and season with a little salt and pepper. Place the halves with the peel facing up on a grill for about 5 minutes so that the grill marks give the flesh a roasted aroma.
For the avocado filling, wash the mint and pluck the leaves. Set aside a few leaves for decoration, finely chop the rest. Halve the cucumber, remove the seeds and dice the cucumber. Quarter the tomatoes and mix with the cucumber, lemon juice, mint and a little salt and pepper.
Now fill the avocado halves with 1 tablespoon each of the tomato and mint mixture and add chickpeas as desired, drizzle 2 teaspoons of tahini over them. Sprinkle the rest of the mint on top and enjoy.