soy sauce

US /ˈsɔɪ ˌsɔːs/
UK /ˈsɔɪ ˌsɔːs/
"soy sauce" picture
1.

a salty, fermented sauce made from soybeans, roasted grains, brine, and Aspergillus oryzae or Aspergillus sojae molds, used as a condiment and ingredient in cooking

:
Add a splash of soy sauce to the stir-fry for extra flavor.
Many Asian dishes use soy sauce as a primary seasoning.