Preheat oven to 425° + place 2 lavash on a sheet pan

Heat 1 tbsp oil in skillet over med-high, pat chicken dry, add to pan in one layer + sear 2 min; flip + cook 2-3 min more until cooked through; season with salt/pep + ½ of seasoning packet

Spread each lavash with 3 tbsp tzatziki then top with chicken; bake 5-7 min until toasty

Meanwhile, toss arugula with lemon juice, 1 tbsp oil + salt/pep; remove flatbreads from oven + top with arugula salad; divide to plates—yum!