Preheat the oven to 425°F. Line a baking sheet with baking paper.
Heat a medium sauté pan over medium-high heat.
Add oil and sauté onions until just beginning to brown, about 3 minutes.
Add garlic, baharat, and salt. Cook until just fragrant, about 30 seconds.
Place ground chicken in a medium bowl.
Add parsley, onions, and garlic and mix to combine.
Divide mixture into 12 equal portions.
Roll a portion between the palms of your hands to make a compact ball.
Flatten the ball into a patty about 1⁄2-inch thick and transfer to the prepared baking sheet.
Repeat with remaining portions.
Spray tops with cooking spray and bake at 425°F for 9 minutes.
Flip ktzitzot, spray tops with cooking spray, and bake 9 minutes more or until cooked through.
Whisk together tahini and lemon juice. Thin to desired consistency with water.
Drizzle tahini over ktzitzot.
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