
Heat the oven to 425°F. Toss the chicken with 2 tbsp oil, 1 tbsp sumac, the allspice, salt, and pepper and roast on a sheet pan 20 minutes until 175°F. Slice.
Meanwhile slowly cook the thinly sliced onions in 3 tbsp oil over medium-low heat, 15 minutes, until soft and sweet. Stir in the remaining sumac and the pine nuts.
Spread the onion mixture over the flatbreads, top with the sliced chicken, and bake 6-8 minutes until crisp at the edges.
Squeeze lemon over, scatter with parsley, and serve with yogurt for dipping.
Photo: DinnerDrop