French · Dinner

Tarragon Mustard Chicken

Pan-seared chicken breasts in a pale sauce of Dijon mustard, shallot, unsalted stock and Greek yogurt, finished with fresh tarragon and lemon. Four servings in 30 minutes.

Not yet ratedThis recipe has no ratings yet 30 min total Serves 4 servings Easy
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Where This Goes Wrong

Use fresh tarragon if you can; dried tarragon is stronger and needs a smaller pinch.

If the sauce splits, whisk in a spoonful of cold water off the heat.

Let the yogurt come to room temperature first; cold yogurt is more likely to curdle.

Cooking Tarragon Mustard Chicken

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  1. Season the chicken with the pepper. Heat the oil and butter in a large frying pan over medium-high heat and brown the chicken for 5 minutes a side. Lift it onto a plate.

  2. Add the shallot to the pan and cook for 2 minutes. Stir in the mustard and stock, scraping up the browned bits, and simmer for 3 minutes.

  3. Return the chicken, cover and cook over low heat for 6 minutes, until the centres reach 74°C.

  4. Take the pan off the heat. Stir in the yogurt a spoonful at a time, then the tarragon and lemon juice. Rest for 2 minutes and serve with the sauce.

Why the Method Works

Yogurt and heat do not mix. A boiling pan splits it into grains, however good it tastes, so the pan comes off the heat before the yogurt goes in and the sauce is stirred, a spoonful at a time, until it is smooth and pale and clings to the chicken.

The sauce starts in the pan the chicken browned in. Shallot goes in first, then Dijon and unsalted stock, and the mixture simmers until it has reduced by about half. Tarragon is last. Its aniseed note fades with long cooking, so it goes in at the very end with a squeeze of lemon.

Dijon mustard supplies most of the seasoning, with no extra salt, and a little butter rounds the edges. This is a French-style pan sauce, and it is as good on rice as on chicken. Choose a smooth Dijon rather than a grainy one, so that the sauce stays silky. Serve with green beans.

After You've Cooked It

Keeps in the fridge for up to 3 days. Reheat gently over low heat; do not let the sauce boil.

Swaps and Variations

  • Vegetable stock in place of the chicken stock makes this meat-free without changing the method, if that is what you need.

Serving Tarragon Mustard Chicken

  • Steamed green beans
  • Steamed white rice
  • A cucumber salad

Questions and Answers

How long does Tarragon Mustard Chicken take to make?

About 30 minutes in total — 10 minutes of preparation and 20 minutes of cooking. The recipe serves 4.

What are the key tips for making Tarragon Mustard Chicken?

Use fresh tarragon if you can; dried tarragon is stronger and needs a smaller pinch. If the sauce splits, whisk in a spoonful of cold water off the heat. Let the yogurt come to room temperature first; cold yogurt is more likely to curdle.

What should I serve with Tarragon Mustard Chicken?

Steamed green beans; Steamed white rice; A cucumber salad.

How should Tarragon Mustard Chicken be stored?

Keeps in the fridge for up to 3 days. Reheat gently over low heat; do not let the sauce boil.

Is Tarragon Mustard Chicken suitable for a special diet?

This recipe is gluten-free, kidney-friendly, low-carb, keto and no added sugar. Those labels are checked against the ingredient list, so a dish is only marked when nothing in it contradicts the claim.

How many calories are in Tarragon Mustard Chicken?

About 210 kcal per serving, with 27 g protein, 3 g carbohydrate and 10 g fat. The figures are calculated from the ingredient list and are an estimate.

Tarragon Mustard Chicken Nutrition

Per serving, calculated from the ingredient list. Treat these as an estimate — brands and cuts vary.

210Calories
27gProtein
3gCarbs
10gFat
1gFibre
2gSugar
210mgSodium
510mgPotassium
280mgPhosphorus

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Written and tested by Turab

One person, one kitchen — no test kitchen, no team. How every recipe on this site is checked before it goes up.