Start by butterflying both pieces of chicken by slicing each breast in half, lengthwise. Pat each piece dry.
Use 3 shallow bowls and add the panko breadcrumbs and sesame seeds to one, the flour to another, and the eggs and spices to the last. Whisk the eggs and spices until well combined.
Dip each piece of chicken in the flour, then the egg, then the panko breadcrumbs.
Add the neutral oil to a pan over medium high heat. When the oil is hot, add each piece of chicken in (depending on the size of your pan you may need to work in batches). Cook on each side for 3-4 minutes, until golden brown. Remove when the center of each piece hits 165F. Sprinkle with extra salt.
While the chicken cooks, prepare the salad. Add the arugula to a bowl. Thinly slice the red onion and add it to the arugula. Add the olive oil, lemon juice, salt and pepper, and toss to combine.
Divide the arugula into bowls and place the chicken on top. Enjoy while the chicken is hot!