In a large bowl, add avocado and mash with a fork. Then add greek yogurt, red onion, jalapeno (if using), parsley, lemon juice, salt & pepper. Mix all well.
Chop the eggs coarsely and add to the bowl, folding them in gently until combined. Avocado Egg Salad is ready.
Add some arugular or spinach leaves on a slice of bread. You can also enjoy egg salad topped on lettuce leaves.
Spread the egg salad on top. Enjoy as an open faced sandwich. You can also enjoy egg salad topped on lettuce leaves.