Healthy & Garlicky!
Cook the onions in a skillet for 3-5 minutes until softened. Add the garlic and ginger and cook for 20 seconds more.
Whisk together the sauce ingredients in a small bowl, then set aside.
Add the ground chicken to the pan with the onions and cook for 6-8 minutes, or until fully cooked.
Pour the sauce into the pan and cook for 2-3 minutes, until it is reduced a little bit.
Remove the pan from the heat and add the water chestnuts and scallions. Season with salt and pepper to taste.
Spoon the chicken mixture down the center of each lettuce leaf, and serve.