Place the potatoes in a large pot of salted water. Bring to a boil and cook until tender, approximately 35 minutes. (Do not overcook or they will be too mushy.)

Preheat the oven to broil. Carefully transfer each potato to a rimmed baking sheet, lightly mash each one with a glass, and drizzle with olive oil, salt, and pepper.

Broil for 10 to 15 minutes or until the potatoes crisp and the edges brown.

Meanwhile, to prepare the topping, combine the chickpeas, tomatoes, cucumbers, radishes, red onion, olives, parsley, cilantro, and mint in a large mixing bowl.

Season with salt, pepper, and olive oil. Mix well and set aside.

To prepare the tahini drizzle, mix the tahini paste with salt, pepper, and lemon juice.

Stirring constantly, add the water in small increments, until it reaches a creamy consistency.

Remove the potatoes from oven and transfer to a serving plate.

Top with the salad mixture and drizzle generously with tahini.