Strain pineapple juice into a measuring cup
Place diced chicken in a bowl, add garlic powder, onion powder, salt, pepper, crack two eggs and mix to create a batter
Sprinkle in cornstarch (about ⅓ cup) and mix to coat the chicken
In the pineapple juice, add garlic, hoisin sauce, mirin, oyster sauce, ginger, dark soy sauce, regular soy sauce, and dehydrated minced onion, and MSG, and stir to combine
Heat neutral oil in a skillet and fry the chicken pieces until golden brown
Remove the fried chicken and set aside
Add the sauce mixture to the skillet and whisk, then add the pineapple and a little water if needed to reach desired consistency
Add the fried chicken back to the sauce and toss to coat
