If you’ve ever been intimidated by classic French sauces, this Blender Béarnaise Sauce is a total game-changer. In just 10 minutes, you can create a thick, velvety sauce that is absolutely foolproof and guaranteed never to break or curdle. It’s the ultimate elegant topping for steak, eggs, or our favorite Pan-Roasted Asparagus with Silky Blender Béarnaise.

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🧈 The Ingredients
This sauce strikes a sophisticated balance by combining a bright, herb-infused reduction with rich dairy and a touch of citrus for a perfectly layered flavor profile. Find ingredient notes (including substitutions and variations) below.

📝 Ingredient Notes and Substitutions
- Vinegar: Champagne or white wine vinegar provides a crisp, elegant acidity. If you want an even deeper herb flavor, use tarragon vinegar; in a pinch, apple cider vinegar works too.
- Dry White Wine: Choose a crisp, dry wine like Sauvignon Blanc or Pinot Grigio. Avoid sweet wines or heavily oaked Chardonnays, which can throw off the flavor balance.
- Shallots: These offer a delicate, sweet onion flavor. If you don’t have shallots, you can substitute them with the white parts of green onions or a very finely minced red onion.
- Fresh Tarragon: This is the signature flavor of Béarnaise. While fresh is best, you can substitute 1 teaspoon of dried tarragon for every tablespoon of fresh, but be sure to add it to the reduction so it has time to rehydrate.
- Unsalted Butter: Using unsalted butter allows you to control the seasoning perfectly. If you only have salted butter on hand, simply omit the additional salt called for in the recipe and season to taste at the end.
- Egg Yolks: Use large, room-temperature egg yolks. The temperature helps them emulsify more easily with the hot butter for a stable, silky finish.
- Black Pepper: For the best flavor, use freshly cracked black pepper. If you want a perfectly smooth, speckle-free look, you can use ground white pepper instead.
Refer to the recipe card (with video) below for a full list of ingredients and measurements.
🔥 Tips and Tricks for Perfect Béarnaise Sauce
- Temperature is Key: Your butter must be bubbling and very hot (around 200°F) before you start pouring. The heat from the butter is what actually “cooks” the egg yolks and creates a thick, stable emulsion.
- The Slow Drizzle: When adding the butter to the blender, pour it in a very thin, steady stream. If you dump the butter in too quickly, the sauce will “break” and become oily instead of creamy.
- Warm Your Blender Jar: Before you begin, rinse your blender jar with hot water and dry it thoroughly. A warm jar prevents the sauce from cooling down too quickly, which helps maintain that signature silky texture.
- How to Fix a Broken Sauce: If your sauce separates and looks oily, don’t panic! Place one teaspoon of boiling water in a clean bowl and very slowly whisk the broken sauce into the water, one spoonful at a time, until it re-emulsifies.
- Keep it Warm in a Thermos: Béarnaise is notoriously difficult to reheat without it curdling. If you aren’t serving it immediately, pour the finished sauce into a pre-warmed thermos; it will stay at the perfect serving temperature for up to an hour.
- Strain for Smoothness: For a truly professional finish, always strain your vinegar and shallot reduction through a fine-mesh sieve. This allows you to extract all the concentrated flavor while keeping the sauce perfectly smooth.
- Use Room Temperature Yolks: Take your eggs out of the fridge about 30 minutes before starting. Room-temperature yolks bond with the hot butter much more easily than cold ones, leading to a more stable sauce.
👩🏼🍳 How to Make Blender Béarnaise Sauce

- Step 1: Heat the vinegar, wine, shallots, tarragon, and pepper in a small saucepan. Simmer until reduced by half, about 4 to 5 minutes.

- Step 2: Strain the reduction through a sieve into a small bowl.

- Step 3: Add the room-temperature egg yolks to your blender, and then the strained reduction and a pinch of salt.

- Step 4: Melt the butter in a saucepan over medium heat. With the motor running, slowly pour the hot butter in a slow, steady stream. The sauce will immediately thicken.

- Step 5: Pour the sauce into a bowl and stir in the lemon juice and chopped tarragon.

- Step 6: Serve at once!
Expert Tip: The “Bright Finish” Secret
To achieve a true restaurant-quality balance, don’t rush the reduction process; let the vinegar and wine simmer until they are thick and syrupy to ensure a deep, concentrated flavor base. Most importantly, always do a final taste test just before serving. If the sauce feels too heavy or “fatty” on the tongue, whisk in a tiny extra squeeze of lemon juice or a drop of vinegar to cut through the richness and make the tarragon notes truly sing.
🙋🏽♂️ Frequently Asked Questions
Yes, you can prepare it up to an hour before serving. To keep it at the ideal consistency, store it in a pre-warmed thermos or leave it in the insulated jar in a warm spot in your kitchen.
Simply place a teaspoon of boiling water in a clean bowl. Slowly whisk the separated mixture into the water one tablespoon at a time until the emulsion is restored and becomes smooth and creamy again.
While both are buttery emulsions made with egg yolks, this version is distinguished by a savory reduction of vinegar, wine, shallots, and fresh tarragon, giving it a distinct herbal profile rather than a purely citrus-forward one.
It is very difficult to warm back up because direct heat will likely cause the eggs to scramble or the fats to separate. If you must try, use a very gentle double boiler on the lowest possible setting while whisking constantly, though it is truly best enjoyed immediately after making.
You can certainly use the dried version if fresh isn’t available. Just be sure to add it directly to the vinegar and wine reduction so the heat and moisture can draw out the oils and soften the texture of the herbs before straining.

😋 More Amazing Sauce Recipes
Ready to make the best sauce this side of Paris? Go for it!
And when you do, be sure to take a photo of it, post it on Instagram, and tag @HowToFeedaLoon and hashtag #HowToFeedaLoon!

Foolproof Blender Béarnaise Sauce
Video
Equipment
- small saucepan
- Blender
Ingredients
- ¼ cup Champagne vinegar or white wine vinegar or tarragon vinegar
- 2 tablespoon white wine dry
- 1 shallot finely chopped
- 2 tablespoon tarragon fresh, roughly chopped, plus more for garnish
- ½ teaspoon black pepper freshly ground
- 1 cup unsalted butter 2 sticks
- 3 egg yolks room temperature
- ¼ teaspoon Kosher salt
- 1 teaspoon fresh lemon juice usually from 1 half of a lemon
Instructions
- In a small saucepan, combine the vinegar, wine, shallots, tarragon, and black pepper. Bring to a simmer and cook until reduced by about half, usually about 3 to 5 minutes.¼ cup Champagne vinegar, 2 tablespoon white wine, 1 shallot, 2 tablespoon tarragon, ½ teaspoon black pepper
- Strain the reduction through a fine-mesh sieve into a small heatproof bowl. Press on the shallots and herbs to release all the concentrated flavor. Set aside.
- Melt the butter in a medium saucepan.1 cup unsalted butter
- In your blender, add the egg yolks (room temp), shallot reduction, and salt. Pulse 2 or 3 times to combine.3 egg yolks, ¼ teaspoon Kosher salt
- When the butter is bubbling and very hot, turn your blender to a low setting, remove the center cap from the lid, and carefully pour the hot butter in a slow, steady stream. The sauce will thicken quickly to a pale-yellow cream.
- Pour the sauce into a bowl and stir in the lemon juice and another tablespoon of tarragon. Serve at once.1 teaspoon fresh lemon juice
Notes
- Temperature Matters: Ensure your butter is bubbling and very hot (approximately 200°F) before pouring it into the blender; this high heat is what “cooks” the egg yolks and creates a thick, stable emulsion.
- Fixing a Broken Sauce: If the sauce separates or looks oily, whisk 1 teaspoon of boiling water into a clean bowl, then slowly whisk in the broken sauce one spoonful at a time until it becomes smooth and creamy again.
- Storage & Keeping Warm: This sauce is best served immediately. To keep it warm for up to an hour, store it in a pre-warmed thermos or leave it in the blender jar in a warm spot in your kitchen.
- Reheating: Avoid the microwave at all costs, as it will scramble the eggs. If you must reheat, use a very gentle double boiler on the lowest possible heat, whisking constantly.
- Serving Suggestion: While this is the perfect partner for my Pan-Roasted Asparagus, it is also incredible served over grilled steak, poached salmon, or as a decadent topping for Eggs Benedict.










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