Soy is a widely popular seasoning in East and Southeast Asian Cuisine, traditionally made by cooking soybeans and inoculating them with Aspergilius sojae yeast for five-day fermentation period, followed by brining. This project aimed to explore the potential of pigeon pea (Cajanus cajan) as a subtitute for soybean in the production of sweet soy sauce. Both soybean and pigeon pea sweet soy sauc…