Subway’s Sweet Onion Sauce: The Definitive Homemade Recipe
The Science Behind the Sauce Subway’s Sweet Onion Sauce achieves its signature flavor through a carefully calibrated balance of sweet, tangy, and savory elements. The combination of granulated sugar with two types of vinegar creates a sweet-and-sour base, while the trio of onion components (flakes, juice, and powder) builds layered umami depth. Mustard provides emulsification … Read more