Step 1

Preheat oven to 180c/350f.

Step 2

Add the kalettes to a bowl with the olive oil, salt, pepper and sesame seeds. Massage well with your hands for 2 minutes to thoroughly coat in the oil.

Step 3

Arrange on a baking tray and roast for 20 minutes.

Step 4

Meanwhile, whisk together the tahini and water in a small bowl.

Step 5

Add the mayo and keep mixing.

Step 6

Add the garlic powder, salt, pepper and lemon juice and mix well. Add a splash more water for a thinner sauce.

Step 7

Serve the kalettes warm with the dipping sauce.