Thoroughly rinse your kale and allow to air dry on towels.
Once dry, finely chop the kale.
Transfer your chopped kale into a large bowl.
Drizzle kale with lemon juice and season with sea salt and pepper to taste.
Using clean hands, massage the kale leaves to soften.
Top with onion, tomatoes, cucumber, olives, and feta as shown.
Drizzle your salad with balsamic vinegar, and olive oil.
Gently everything toss to combine.
Serve immediately and enjoy.