The Filling
% off chicken weight
Chicken1 kg2.2 lb
Kosher salt1.4%14 g0.49 oz
MSG0.23%2.3 g0.08 oz
White pepper0.47%4.7 g0.16 oz
Egg yolk4.2%42 g1.5 oz
Crushed ice10.5%105 g3.7 oz
Chicken fat5.0%50 g1.8 oz

How much chicken you got—or how many nuggets you want? Every gram scales off the bird. The way a kitchen actually thinks.
nuggets · 21g filling each
From 1 kg chicken · 5% grind loss baked in% off chicken weight
Flour ≈ 60% of chicken · rest off flour