Creamy Tarragon Dijon Sauce

This creamy tarragon Dijon sauce is a fresh, elegant, and versatile condiment made with Greek yogurt, sour cream, Dijon mustard, and fragrant tarragon. Light yet creamy, it works beautifully as a tarragon sauce for chicken, fish, vegetables, and even smoked fish toasts.

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Hey, folks – I hope you’re all doing well. Today, I’m sharing a simple yet refined sauce that has quickly become one of my favourite go-to additions for spring dishes. It’s fresh, lightly tangy, and incredibly adaptable, so you can use it in many different ways depending on what you’re cooking. So, let’s dive into this Creamy Tarragon Dijon Sauce.

Why You’ll Love This Tarragon Sauce

• Fresh: This creamy tarragon sauce has a clean, herbaceous flavour that feels light and spring-like.
• Versatile: It works as a sauce for chicken, fish, vegetables, and even smoked fish toasts.
• Quick: You can prepare this easy tarragon yogurt sauce in just a few minutes.
• Balanced: The combination of yogurt, sour cream, and Dijon creates a creamy yet gently tangy flavour.

Flavour and Texture Profile

This creamy tarragon Dijon sauce is smooth, spoonable, and pleasantly light. The Greek yogurt keeps it fresh and slightly tangy, while the sour cream adds a subtle richness. Meanwhile, Dijon mustard brings a gentle sharpness, and tarragon provides a soft herbal note that is present but not overpowering. As a result, the sauce feels balanced and refined rather than heavy.

A Subtle French Influence

Tarragon and Dijon mustard are a classic pairing in French cooking, often used in sauces served with chicken or fish. In this case, however, the traditional richness of cream-based sauces is replaced with a lighter yogurt and sour cream base. Consequently, this French-style tarragon sauce feels modern, fresh, and more versatile, while still keeping its bistro-inspired character.

Ingredients You’ll Need for This Tarragon Sauce

It’s easy to make this creamy tarragon sauce with just a handful of simple ingredients:

• Greek yogurt: Forms the base of this tarragon yogurt sauce, adding freshness and a light tang.
• Sour cream: Adds richness and softens the acidity for a smoother flavour.
• Dijon mustard: Provides a gentle sharpness and depth typical of a Dijon tarragon sauce.
• Fresh tarragon: The key herb, used in moderation for a refined, aromatic flavour.
• Salt: Enhances and balances all the flavours.

Optional garnish:

• Lemon zest: Adds brightness and a fresh citrus aroma.
• Olive oil: A small drizzle adds shine and a silky finish.

Possible Additions and Variations

Although this Greek yogurt sauce with tarragon is delicious as is, you can easily adjust it to suit your taste:

• Add a small amount of garlic for a sharper, more pronounced flavour.
• Use finely minced shallot for a more savoury, bistro-style variation.
• Stir in a little chives or parsley for a more herb-forward profile.
• Add a touch of honey to round out the acidity.
• Use only yogurt for a lighter version, or increase sour cream for extra richness.

How to Make This Creamy Tarragon Dijon Sauce

In a medium bowl, combine the Greek yogurt, sour cream, Dijon mustard, minced tarragon, and a pinch of salt. Stir until smooth and well blended.

Next, taste the sauce and adjust with a little more Dijon or tarragon, if desired. Then, let it sit for about 10–15 minutes so the flavours can fully develop.

Finally, transfer to a serving bowl and garnish with lemon zest and a light drizzle of olive oil, if you like. Serve immediately or chill slightly before serving.

How to Use This Tarragon Sauce

This creamy herbal sauce is incredibly versatile and can be used in many ways:

• Chicken: Spoon over seared or roasted chicken breasts or thighs.
• Fish: Serve with salmon, halibut, or cod for a fresh, tangy finish.
• Vegetables: Drizzle over asparagus, green beans, roasted carrots, or potatoes.
• Smoked fish toasts: Spread on rye bread and top with smoked sprats, radish, capers, and herbs.
• Sandwiches and wraps: Use instead of mayonnaise for added flavour.
• Grain bowls: Add a cool, creamy element to rice or grain-based dishes.

Tips for Best Flavour

For the best results, keep these simple tips in mind:

• Tarragon becomes more pronounced after chilling, so it’s best to add a little less at first and adjust before serving.
• Letting the sauce rest briefly helps the flavours blend more smoothly.
• If the sauce feels too thick, you can loosen it with a small splash of water or lemon juice.

Make Ahead and Storage

This creamy tarragon Dijon sauce can be made slightly in advance, but it’s best enjoyed fresh or within one day.

Store the sauce in an airtight container in the refrigerator for up to 2 days. However, keep in mind that the flavour of tarragon becomes stronger over time and may shift from fresh and delicate to slightly more pronounced.

For the best result, prepare the base sauce ahead with a little less tarragon, then stir in a small amount of freshly chopped herbs just before serving to refresh the flavour.

More Delicious Recipes

Are you looking for more fun recipes, like this Creamy Tarragon Dijon Sauce. Be sure to check more recipes below:

• Tarragon Deviled Eggs with Greek Yogurt – A lighter, creamy take on devilled eggs with fresh tarragon and yogurt; delicate, tangy, and perfect for brunch or appetizers.
• Halibut in White Wine Tarragon Sauce – A classic-style fish dish with a fragrant herbal sauce; elegant and a natural pairing for this creamy herb condiment.
• French Tarragon Chicken – A richer, more traditional version of tarragon chicken with a deeper, creamier sauce; perfect if you’re looking for a more classic bistro-style dish.
• Smoked Sprats on Rye Toast – A bold, savoury open-faced sandwich on dense rye bread; smoky fish, fresh garnishes, and a perfect match for a tangy herb sauce like this one.
• Chive Sour Cream Dip – A simple, fresh dip with a clean oniony flavour; similar in spirit and just as versatile for vegetables, toasts, and light meals.
• Oregano Pesto – A vibrant herb condiment with a more Mediterranean profile; bold, aromatic, and a great contrast to this creamy tarragon-based sauce.

I’d love for you to try this Greek sauce with tarragon and Dijon. If you give it a go, please share your results in the comments, message me on Instagram, or post your photos with the hashtag #havocinthekitchen. I look forward to seeing your creations and hearing your thoughts.

Cheers!