Pickled Mustard Seeds Recipe

Whole yellow mustard seeds cooked down in seasoned vinegar makes for a condiment that's sweet, briny, and mildly hot.

By
J. Kenji López-Alt
Kenji Lopez Alt
Culinary Consultant
Kenji is the former culinary director for Serious Eats and a current culinary consultant for the site. He is also a New York Times food columnist and the author of The Food Lab: Better Home Cooking Through Science.
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Updated June 09, 2023
Roasted split bone marrow topped with a line of pickled mustard seeds served with fresh herbs, flakey sea salt, and grilled bread.

Serious Eats / J. Kenji López-Alt

Why It Works

  • Blanching the mustard seeds a few times removes any potential bitterness.
  • Mustard seeds plump up when brined, giving them a caviar-like texture that pops in your mouth for little bursts of flavor.

Pickled mustard seeds make a great garnish anywhere mustard would be appropriate—on eggs, dolloped on vegetable soups, in sandwiches, on roasted meats, and in sauces and marinades. We're especially partial to using them on these extra-mustardy deviled eggs.

June 2019

Recipe Details

Pickled Mustard Seeds Recipe

Active 30 mins
Total 60 mins
Serves 32 servings
Makes 2 cups mustard seeds
Cook Mode (Keep screen awake)

Ingredients

For the Brine:

  • 175ml (about 3/4 cup) white wine vinegar

  • 125ml (about 1/2 cup) cider vinegar

  • 150ml (about 2/3 cup) water

  • 50ml (about 1/4 cup) rye whiskey (see note)

  • 2 bay leaves

  • 150g (about 3/4 cup) brown sugar

  • 10g (about 1 tablespoon) kosher salt

For the Seeds:

  • 200g (about 1 cup) yellow mustard seeds

Directions

  1. For the Brine: Combine white wine vinegar, cider vinegar, water, whiskey, bay leaves, brown sugar, and salt in a small saucepan. Set aside, stirring occasionally, until sugar is dissolved.

  2. For the Seeds: Meanwhile, place seeds in a clean saucepan and cover with cold water. Bring to a boil, then drain through a fine-mesh strainer and discard the water. Repeat until the discarded water does not taste bitter. This can take between 1 and 8 repetitions.

  3. Transfer blanched and drained mustard seeds to the pot with the brine. Bring to a boil, then reduce to a bare simmer and cook until the seeds have plumped up and the liquid has reduced by about one-third, 15 to 20 minutes. Without draining brine, transfer seeds to a sealable container, let cool at room temperature, then seal and refrigerate until ready to use. The seeds will mature in flavor over the course of a few days.

Special Equipment

Fine-mesh strainer

Notes

You can omit the whiskey. The seeds can be used immediately, but will improve in flavor over time.

Make-Ahead and Storage

Pickled mustard seeds can be stored for months in a sealed container in the refrigerator.

Read More

Nutrition Facts (per serving)
52Calories
2gFat
6gCarbs
2gProtein
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Nutrition Facts
Servings: 32
Amount per serving
Calories52
% Daily Value*
Total Fat 2g3%
Saturated Fat 0g1%
Cholesterol 0mg0%
Sodium 51mg2%
Total Carbohydrate 6g2%
Dietary Fiber 1g3%
Total Sugars 5g
Protein 2g
Vitamin C 0mg2%
Calcium 21mg2%
Iron 1mg3%
Potassium 55mg1%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)

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