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+ servings
Iced seafood platter showcasing raw oysters with a classic shallot vinegar sauce in the middle.

Oyster Mignonette Sauce Recipe

Prep Time 15 minutes
Marinating Time 4 hours
Total Time 4 hours 15 minutes
A bright and classic Oyster Mignonette Sauce made with finely minced shallots, two vinegars, sugar, salt, and crushed white pepper. The ideal, elegant accompaniment for raw oysters.
12 Servings

Ingredients

  • 1/2 cup finely minced shallots approximately 2 1/2 ounces
  • 1/4 cup white vinegar
  • 1/4 cup unseasoned rice vinegar
  • 1/8 teaspoon sugar
  • 1/8 teaspoon kosher salt
  • 1 1/4 teaspoons freshly crushed white peppercorns Do not use pre-ground or powdered white pepper

Instructions
 

Mince the Shallots

  1. Peel and coarsely chop the shallots. Place them in a food processor and pulse several times until the pieces are finely minced but not puréed. Ensure the pieces remain slightly textured, ideally no smaller than the tip of a match.
  2. Alternatively, mince the shallots by hand using a knife. If using a food processor, reserve any liquid released during processing, as it enhances the final flavor of the mignonette.

Combine the Vinegars, Sugar, and Salt

  1. Transfer the minced shallots and any accumulated liquid into a non-reactive bowl. Add the white vinegar, rice vinegar, sugar, and kosher salt. Stir the mixture thoroughly with a fork to ensure even distribution of the ingredients.
  2. Add the freshly crushed white peppercorns and stir again until fully incorporated.

Chill the Mixture

  1. Cover the bowl securely with plastic wrap and refrigerate the mignonette for a minimum of 4 hours. For optimal flavor development, allow the mixture to rest for 24–48 hours.
  2. During chilling, the peppercorns may settle to the bottom; simply stir before serving.

Serve the Mignonette

  1. When ready to serve, shuck the oysters and ensure each oyster is loosened from the shell. Transfer the mignonette to a small serving bowl and accompany it with a small spoon.
  2. Serve the mignonette alongside the oysters on a platter or iced seafood tray, allowing guests to spoon approximately 1/8 teaspoon onto each oyster before consumption.

Notes

This Oyster Mignonette Sauce Recipe is naturally gluten-free, as all base ingredients—shallots, vinegars, sugar, salt, and peppercorns—contain no gluten.
To ensure the recipe remains entirely gluten-free, confirm that the vinegars are certified gluten-free and free from additives or flavorings that may contain gluten. Use clean utensils, containers, and surfaces to prevent cross-contamination, especially when serving alongside other dishes.
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