Place avocado, lemon juice, olive oil, garlic, salt, and black pepper in a large salad bowl. Using the back of a fork mash the avocado and mix it with the rest of the ingredients.
Add the chopped kale into the bowl and using clean hands massage the kale with the avocado lemon dressing until leaves are covered with the dressing and softened. Give it a taste for seasoning and add in if necessary. Set it aside to rest.
Place your choice of nuts in an empty skillet and toast over medium heat, stirring frequently, until lightly browned. This happens really quickly so be sure to keep a close eye on it.
Sprinkle the kale and avocado salad with the now-toasted nuts (while they are still warm). Give it a big toss. Taste for seasoning and add more if necessary.
