Knorr Bearnaise Sauce Recipe: Steakhouse-Style Creamy Indulgence

This classic sauce brings steakhouse-quality richness to your kitchen with minimal effort. The secret lies in balancing tangy tarragon with creamy butter for that signature velvety texture.

Using Knorr’s base simplifies the process while maintaining authentic flavor. The result is a smooth, elegant sauce that pairs perfectly with grilled meats, fish, or even roasted vegetables.

Unlike traditional methods, this version eliminates guesswork. You’ll achieve consistent, creamy results every time without risk of curdling or separating.

Store leftovers in the fridge for up to a week. Gently reheat in a double boiler to preserve its luxurious consistency.

Ingredients for Knorr Bearnaise Sauce

Ten ingredients transform into that signature steakhouse sauce with minimal effort.

The Knorr Bernaise Sauce Mix is non-negotiable here—it’s the shortcut that keeps this foolproof. Grab it from the baking aisle at any major grocery store (Walmart, Kroger, or Target all stock it). For the butter, European-style (like Plugrá or Kerrygold) has a higher fat content, which gives that ultra-smooth finish. The tarragon must be fresh—look for bright green, perky leaves at Whole Foods or your local market.

No shallots? Substitute with finely minced red onion (soak in cold water for 5 minutes to mellow the bite). Short on tarragon? Dried tarragon at one-third the amount works, but fresh is worth hunting down. If you’re avoiding alcohol, swap the vinegar for apple cider vinegar—same tang, no wine notes. The Dijon mustard adds depth, but whole-grain mustard gives a rustic twist if you prefer texture.

Sauce keeps airtight in the fridge for 5-7 days. Reheat gently in a double boiler (don’t microwave—it’ll separate). Freezing isn’t ideal, but if you must, do it within 2 weeks and thaw overnight in the fridge. Stir well before using.

Step-by-Step Instructions for Knorr Bearnaise Sauce

Here’s the method I use to achieve that rich, velvety texture with perfect balance every time.

Step 1: Sauté Aromatics for Flavor Foundation

Finely mince the shallot until you have about 1 tablespoon of fine dice. Heat a small saucepan over medium-low heat and melt 0.5 cup Unsalted Butter until it just begins to foam. Add the minced shallot and cook for 2-3 minutes until softened and translucent.

This gentle cooking removes the raw bite while preserving the delicate flavor. You want the shallots to melt into the butter, not brown. Stir frequently to prevent any color development—pale golden is the target here.

Step 2: Build the Acidic Base for Brightness

Add 1 tbsp White Wine Vinegar, 1 tsp Lemon Juice, 1 tsp Dijon Mustard, 2 tsp Fresh Tarragon Leaves, 0.25 tsp Kosher Salt, and 0.125 tsp White Pepper to the butter-shallot mixture. Simmer for 1 minute to allow the flavors to meld.

The vinegar and lemon juice create that signature tang that cuts through the richness. The tarragon adds its distinctive anise-like aroma, while the mustard provides subtle depth. This reduction step concentrates the flavors before adding the cream.

Step 3: Incorporate the Sauce Mix for Thickness

Stir in the 1 package Knorr Bernaise Sauce Mix until fully dissolved. The mixture will thicken noticeably as the cornstarch in the packet activates. Cook for 1 additional minute to ensure the starch is fully hydrated.

Watch closely during this step—the sauce will transform from a thin liquid to a velvety base. You’ll see it coat the back of a spoon when it’s ready for the final ingredient.

Step 4: Finish with Cream for Luxurious Texture

Reduce heat to low and slowly pour in 0.25 cup Heavy Cream while whisking constantly. Continue whisking for 2-3 minutes until the sauce is smooth and has reached your desired consistency.

The cream is what gives this sauce its luxurious, steakhouse-quality richness. I like to remove the pan from heat just before it reaches full thickness, as it will continue to set slightly as it cools. The final texture should coat the back of a spoon and ribbon off the whisk.

Step 5: Adjust and Serve Immediately

Taste and adjust seasoning if needed, though the Knorr packet provides a well-balanced base. If the sauce is too thick, whisk in a splash of warm water. If it’s too thin, simmer for 1 additional minute.

Serve immediately while warm—the sauce will thicken further as it sits. Drizzle generously over grilled steak, roasted vegetables, or even as a dip for crispy fries. The flavors are most vibrant when freshly made.

Creative Variations of These Flavors

Herb-Infused Twist

Swap 1 tsp of the fresh tarragon for 1 tsp fresh chervil and add ½ tsp fresh dill. This French-inspired blend creates a lighter, more complex herb profile while keeping that classic bearnaise character. I love this version with grilled salmon. 🌿

Citrus Zing Boost

Add 1 tbsp orange zest along with the lemon juice. The bright citrus notes complement the tarragon beautifully. For extra depth, include 1 tsp finely chopped orange peel when you sauté the shallots. This works wonderfully with chicken dishes.

Spicy kick

Stir in ¼ tsp cayenne pepper or ½ tsp hot sauce at the end. A pinch of smoked paprika adds warmth without overpowering the delicate flavors. I find this variation particularly good with grilled shrimp. 🔥

Garlic Lover’s

Add 1 minced garlic clove when cooking the shallots. For a more pronounced flavor, roast 2 garlic cloves first, then mash into a paste before adding. This creates a richer, more savory version that pairs well with steak.

Mustard Variation

Replace the Dijon with 1 tsp whole-grain mustard for added texture. Or use 1 tsp honey mustard for a touch of sweetness that balances the acidity. Both options maintain the sauce’s creamy consistency while offering a new flavor dimension.

Lighter Version

Substitute half-and-half for the heavy cream. While slightly less rich, it still delivers that velvety texture. I recommend adding an extra 1 tbsp butter to compensate for the reduced fat content. This works well for those watching their calorie intake.

Frequently Asked Questions