In a mixing bowl, add the chicken, salt, pepper, soy sauce, and cornstarch. Let everything sit for 10 minutes.
Add cornstarch onto a flat surface or small bowl and dust both sides of each piece of chicken with cornstarch.
In a mixing bowl, whisk together the flour, baking powder, cold water, and egg until a batter remains.
Add 1-2 inches of oil to a large saucepan and place over medium heat. Moving quickly, dredge the chicken in the batter. In batches, cook portions of the battered chicken until golden brown.
Add the honey, corn syrup, and soy sauce to a small saucepan or skillet. Once it bubbles, add the sesame oil and whisk together. Let everything simmer until it has thickened.
Add the chicken to the pan and toss together until all the chicken is covered.
Sprinkle with sesame seeds and finely sliced green onions.
