01 -
In a medium bowl, combine diced chicken with cornstarch and tamari. Toss with a fork to coat thoroughly.
02 -
Heat avocado oil in a large skillet over medium-high heat. Working in batches, cook chicken pieces without crowding for 3-4 minutes on the first side and 1-3 minutes on the second side until fully opaque with no pink inside. Transfer cooked chicken to a clean plate and repeat with remaining pieces, adding more oil as needed.
03 -
While the chicken cooks, combine water, tamari, maple syrup or honey, rice vinegar, toasted sesame oil, garlic, ginger, and red pepper flakes (if using) in a bowl or liquid measuring cup. Whisk until well incorporated.
04 -
In a small bowl, whisk together 1 tablespoon cornstarch with 1 tablespoon water to create a smooth slurry.
05 -
Reduce the heat in the pan to medium-low. Add the cornstarch slurry to the sesame sauce mixture and whisk to combine. Pour this mixture into the warm pan and whisk continuously for 3-5 minutes until the sauce bubbles, thickens, and becomes more translucent. You should be able to see the path of your whisk in the sauce.
06 -
Return the cooked chicken to the pan and toss to coat with the sauce. Heat through. Sprinkle with sesame seeds and serve warm.