Warm up with this hearty Almost-Instant, Low-Carb, High-Protein Hot & Sour Soup recipe. Made with boiling water, red miso, rice vinegar and bonito flake…
This Almost-Instant, Low-Carb, High-Protein Hot & Sour Soup relies on simple, everyday ingredients such as boiling water, red miso, rice vinegar and dried tuna bonito flakes. It comes together quickly and makes 4 servings, at about 533 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026