Ran out of yellow mustard mid-recipe? Dijon mustard will do the job at 1:1 (sharper) — but only if you also adjust for what the swap takes away or adds. Condiments and tomato products swap by concentration and flavour, not just by volume. A paste is far more concentrated than a sauce, a sweetened ketchup is a different ingredient from an unsweetened paste, and two brown sauces that look alike on the spoon can taste nothing alike in the pan. This page gives the ratio, shows it in a table for the amounts you will actually meet, and walks through three real dishes so you can see where the swap works and where it changes the dish into something else.
The ratio, in a table
The table below converts yellow mustard to Dijon mustard for the amounts you are most likely to meet. The rule is always the same: 1:1 (sharper).
| Yellow mustard called for | Dijon mustard to use |
|---|---|
| 1 tsp | 1 tsp |
| 2 tsp | 2 tsp |
| 1 tbsp | 1 tbsp |
| 2 tbsp | 2 tbsp |
| 3 tbsp | 3 tbsp |
| 1/4 cup | 1/4 cup |
| 1/3 cup | 1/3 cup |
| 1/2 cup | 1/2 cup |
Our density table does not list grams-per-cup figures for either ingredient here, so no weights are given on this page — measure this swap by volume. All amounts on this page are approximate; verify with a kitchen scale when the result matters.
Worked examples
Example 1: Vinaigrette
A recipe for a vinaigrette calls for 1 tbsp of yellow mustard. Using the ratio, that becomes 1 tbsp of Dijon mustard. Whisk it with the oil, vinegar and honey. The dressing will be sharper and more complex than the yellow version, with a wine-like depth — a good swap for a hearty salad.
Example 2: Pork marinade
A recipe for a pork marinade calls for 2 tbsp of yellow mustard. Using the ratio, that becomes 2 tbsp of Dijon mustard. Mix it with the garlic, herbs and oil, and marinate the pork as usual. The marinade will be hotter and sharper, which cuts through the pork's fat nicely.
Example 3: Creamy mustard sauce
A recipe for a creamy mustard sauce calls for 1 tbsp of yellow mustard. Using the ratio, that becomes 1 tbsp of Dijon mustard. Stir it into the cream at the end, and taste before serving — the sauce will be sharper than the original, so add a pinch of sugar if it needs softening.
What changes in the result
Dijon in place of yellow mustard is sharper, hotter and more complex — and less sweet. Yellow mustard is mild, bright and a little sweet; Dijon is made from brown mustard seeds and white wine, so it is hot, sharp and wine-like, with a depth that yellow mustard does not have. The ratio is one-to-one, so the measuring is simple, and the swap works well in a dressing, a marinade or a sauce where the mustard's bite is welcome. The main thing to watch is the heat: the dish will be sharper than the recipe intends, so if the mustard is meant to be a gentle background note, use a little less Dijon than the recipe asks for, or add a pinch of sugar to soften it.
When not to substitute
Do not make this swap where yellow mustard's mildness is the point of the dish. A hot dog, a mild sandwich spread, or a dressing for a delicate salad will be overwhelmed by Dijon's heat, because the mustard will dominate the other flavours. Do not use it in a dish for children either, without checking — Dijon is noticeably hotter than yellow mustard, and a child who likes yellow mustard may find Dijon too sharp. And do not use it where the colour matters: Dijon is paler and creamier than yellow mustard, so a bright yellow dressing will go pale.
Practical guidance
Taste as you go, and add the substitute in stages rather than all at once — it is easy to add more of a salty, sweet or sharp condiment and impossible to take it out. When a recipe calls for a concentrated tomato product, fry the substitute in a little oil for a minute before adding liquid: cooking it briefly deepens the flavour and takes off any raw edge. Balance a sweet swap with a splash of vinegar or lemon juice, and balance a sharp swap with a pinch of sugar. Keep opened jars and bottles in the fridge, label them with the opening date, and freeze leftover tomato paste in tablespoon-sized portions so you never have to open a new tube for a single spoonful. All amounts on this page are approximate; a kitchen scale is the most reliable way to measure sticky pastes and sauces for a large batch.
Frequently asked questions
How much Dijon mustard do I use instead of 1 tbsp of yellow mustard?
Use 1 tbsp — the ratio is 1:1. Our density table does not list grams-per-cup figures for either mustard, so measure this swap by volume.
Will the dish be sharper?
Yes — Dijon is hotter and more complex than yellow mustard, which is mild and a little sweet. If the mustard is meant to be a gentle background note, use a little less Dijon, or add a pinch of sugar to soften it.
Can I use Dijon mustard on a hot dog?
You can, but it will taste different — Dijon is much hotter than yellow mustard, and it will dominate the other flavours. Yellow mustard is the classic hot dog mustard precisely because it is mild.
Does Dijon change the colour?
It does — Dijon is paler and creamier than yellow mustard, so a bright yellow dressing will go pale. The difference will show in a light dressing or a cream sauce.
Is Dijon mustard gluten-free?
Most Dijon mustard is naturally gluten-free, but check the label — some brands add flavourings or thickeners that contain gluten. The same goes for yellow mustard.
Scaling the swap up or down
A condiment swap scales linearly in the table, but salty, sweet and sharp ingredients do not scale perfectly in the mouth — a doubled recipe often needs slightly less than double the salty or sharp ingredient, because the flavour concentrates as the dish reduces. The safe way to scale up is to add three-quarters of the scaled amount, taste, and then add the rest a little at a time. The same goes for scaling down: a single serving needs the full ratio, but a small error matters more, so measure with measuring spoons rather than by eye. When a recipe is scaled up for a crowd, make the sauce or the dressing in a separate bowl and add it to the main dish gradually, tasting as you go — it is easy to add more of a salty or sweet condiment and impossible to take it out. All amounts on this page are approximate; a kitchen scale is the most reliable way to measure sticky pastes and sauces for a large batch.
If the swap goes wrong — and how to store the substitute
If a tomato sauce tastes tinny or raw, the paste or purée was not cooked long enough — fry it in a little oil for a minute before adding liquid, and the flavour will deepen. If a dressing separates, the mustard or the paste was not whisked in properly: whisk the thick ingredient into the vinegar first, then add the oil in a slow stream while whisking. If a marinade is too sharp, add a pinch of sugar and let the meat marinate for less time next time. Store opened condiments in the fridge and check them before use — a sauce that smells off or has mould on the surface should be thrown away, not scraped clean.