Mix powdered peanut butter, peanut butter, and coconut aminos in a large bowl. In a separate bowl, combine garlic, ginger, honey, vinegar, and sriracha. Set aside.
Cook pasta in boiling water until just shy of al dente. Reserve ½ cup pasta water. Toss noodles with peanut sauce, adding pasta water to reach desired consistency.
Roast broccoli in heated oil until evenly browned, about 6-8 minutes. Remove and set aside.
Cook ground chicken in the same pan until browned, then add sauce and cook until caramelized. Add broccoli to keep warm.
Combine noodles with chicken and broccoli, adding more pasta water if needed. Garnish with sliced green onion or chopped peanuts.
Notes
Use more pasta water to adjust sauce consistency. Garnish with green onions or chopped peanuts for extra flavor.