Unsweetened Soy Milk (Best Option)
1 cup per 1 cup whole milkSoy milk contains a protein and fat profile similar to whole milk, which helps replicate the creamy texture and mouthfeel important in Teriyaki Sauce. The neutral flavor of unsweetened soy milk ensures the sauce's characteristic sweet and savory notes remain prominent.
For best results, use unsweetened soy milk to avoid adding unwanted sweetness. Stir well to integrate and avoid separation during cooking. Heat gently to prevent curdling.
Compared to whole milk, soy milk produces a sauce with comparable texture and gloss, preserving the traditional Teriyaki sauce experience without dairy.