SaucepanLog inDownload

Dry mustard substitute

Herbs, spices and aromatics · Checked against 2 sources · Updated November 4, 2026

Quick answer

For 1 teaspoon of dry mustard in a cooked dish, use 1 tablespoon of prepared mustard. Or use half a teaspoon of mustard seeds. Prepared mustard adds liquid and vinegar, so reduce other liquid slightly in dressings and sauces. Taste as you go, since prepared mustard brings its own salt and vinegar.

How much do you need?

Fractions work: 1 1/2, ¾, 0.5. The amounts below update as you type.

Show only options that are

What to use

  1. Prepared mustard

    • Vegan
    • Dairy-free
    • Gluten-free
    • Nut-free
    • Egg-free
    • 1 tbsp 15 ml prepared mustard
    Best for
    Cooked sauces and baked beans.
    What changes
    Adds acidity and liquid.
    Skip it when
    Dry rubs.

  2. Mustard seeds

    • Vegan
    • Dairy-free
    • Gluten-free
    • Nut-free
    • Egg-free
    • ½ tsp 2.5 ml mustard seeds
    Best for
    Pickles and stews.
    What changes
    Whole seeds do not dissolve.
    Skip it when
    Smooth sauces unless ground.

Diet labels describe the ingredients as normally made. Check packages for gluten and allergens. Some refined sugar is filtered with bone char, which matters if you eat vegan.

Which swap for which job

UsePickWhy
Cheese saucePrepared mustardThe chart swap.

Do not substitute here

  • Dry rubs. Prepared mustard.

Questions

Is dry mustard the same as mustard powder?

Yes.

Sources

Ratios come from these sources, in our words. Where they disagree, we say so or pick the amount that matches tested results. Ratios are a starting point. Taste and adjust.