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Homemade Yellow Mustard

A bowl of homemade yellow mustard next to a wooden spoon filled with mustard seeds.
Homemade yellow mustard is deceptively simple to make from mustard powder, vinegar, and a couple other basic pantry staples. You just may never go back to store-bought! Here's how to make it from scratch.
Erin Coopey

Prep 1 hr 15 mins
Cook 1 hr
Total 1 hr 45 mins
Condiment
American
48 (1-tsp) servings
11 kcal

Equipment

  • Nonreactive saucepan

Ingredients 

  • 1 cup cold water
  • 3/4 cup yellow dry mustard
  • 3/4 teaspoon coarse sea salt or kosher salt
  • 1/2 teaspoon ground tumeric
  • 1 teaspoon garlic purée or 1/8 teaspoon garlic powder
  • 1/8 teaspoon paprika
  • 1/2 cup white distilled vinegar

Directions 

  • Place the water, dry mustard, salt, turmeric, garlic, and paprika in a small nonreactive saucepan and whisk until smooth. Cook the mixture over medium-low to low heat, stirring often, until it bubbles down to a thick paste, 30 to 45 minutes.

    TESTER TIP: You’re definitely going to want to do this in a well-ventilated kitchen. As in windows flung open and exhaust fan on high. Trust us. And that nonreactive saucepan is also essential or the mustard could take on an off color and hue.

  • Whisk the vinegar into the mustard mixture and continue to cook until it’s thickened to the desired consistency—you know, the usual prepared mustard consistency—which can take anywhere from 7 to 15 minutes.
  • Let the mustard cool to room temperature before spooning the mustard into an airtight container. Cover and refrigerate for up to 3 months. The mustard will be quite pungent the first few days or even weeks, but will mellow with time.