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Best Fish Sauce Substitute in Hollandaise Sauce

5 tested options with exact ratios, science-backed explanations, and tips for success.

Quick Answer

The best substitute for Fish Sauce in Hollandaise Sauce is Soy Sauce because it provides a similar umami depth and saltiness that complements the richness of the sauce without overpowering its delicate texture.

Top 5 Fish Sauce Substitutes for Hollandaise Sauce

Substitute Ratio
Soy Sauce (Best) 1/2 teaspoon per 1 cup of Hollandaise Sauce
Tamari 1/2 teaspoon per 1 cup of Hollandaise Sauce
Seaweed Stock (Concentrated) 1 teaspoon per 1 cup of Hollandaise Sauce
Lemon Juice with a Pinch of Soy Sauce 1/4 teaspoon soy sauce + 1/4 teaspoon lemon juice per 1 cup of Hollandaise Sauce
Mushroom Soy Sauce 1/2 teaspoon per 1 cup of Hollandaise Sauce

Detailed Guide: Each Fish Sauce Substitute in Hollandaise Sauce

Soy Sauce (Best Option)

1/2 teaspoon per 1 cup of Hollandaise Sauce
Vegan Gluten-Free Dairy-Free Fat-Free Nut-Free
Quick tip: Adds umami and saltiness with minimal impact on texture or color.

Soy sauce contains glutamates that provide umami similar to fish sauce, enhancing the savory depth of Hollandaise without altering its creamy texture. It dissolves well in the emulsion, maintaining smoothness.

Use a light or regular soy sauce and add gradually to avoid overpowering the delicate balance. Taste as you go because soy sauce can vary in saltiness.

The final sauce will have a slightly darker hue and a mild soy undertone but will retain the classic buttery richness expected from Hollandaise.

Tamari

1/2 teaspoon per 1 cup of Hollandaise Sauce
Vegan Gluten-Free Dairy-Free Fat-Free Nut-Free
Quick tip: Gluten-free alternative to soy sauce with similar umami and saltiness.

Tamari is a Japanese soy sauce variant that is typically gluten-free and offers a rich umami flavor profile similar to fish sauce. It integrates smoothly into the Hollandaise emulsion without affecting texture.

Add slowly and taste frequently to maintain the balance of flavors. Tamari tends to be less salty than some soy sauces, so adjustments might be needed.

The sauce will maintain its creamy texture and have a subtle nutty undertone, making it a suitable substitute especially for gluten-sensitive individuals.

Seaweed Stock (Concentrated)

1 teaspoon per 1 cup of Hollandaise Sauce
Vegan Gluten-Free Dairy-Free Fat-Free Nut-Free
Quick tip: Provides marine umami without fish flavor, slightly watery if not reduced properly.

Seaweed stock contains natural glutamates and iodine compounds that mimic the oceanic umami of fish sauce. When concentrated, it can add subtle marine notes without fishiness.

Ensure the stock is well reduced to avoid adding excess liquid that could break the emulsion. Add carefully and incorporate fully.

The sauce will have a fresher, lighter marine aroma and maintain its creamy texture, though the flavor will be less intense than fish sauce.

Lemon Juice with a Pinch of Soy Sauce

1/4 teaspoon soy sauce + 1/4 teaspoon lemon juice per 1 cup of Hollandaise Sauce
Vegan Gluten-Free Dairy-Free Fat-Free Nut-Free
Quick tip: Balances acidity and umami but may slightly alter the sauce’s flavor profile.

Lemon juice adds brightness and acidity that can compensate for the missing tang of fish sauce, while a small amount of soy sauce provides umami depth. This combination helps maintain flavor complexity.

Add the lemon juice cautiously to avoid curdling the emulsion and balance with soy sauce to prevent overpowering saltiness.

The final sauce will be slightly more acidic and less marine in flavor but will retain a pleasant savory complexity.

Mushroom Soy Sauce

1/2 teaspoon per 1 cup of Hollandaise Sauce
Vegan Gluten-Free Dairy-Free Fat-Free Nut-Free
Quick tip: Adds earthy umami with a darker color and slightly different aroma.

Mushroom soy sauce is infused with mushroom extracts that enhance umami and add earthiness, which can mimic some of the savory qualities of fish sauce.

Use sparingly to avoid darkening the sauce too much or shifting the flavor profile away from traditional Hollandaise.

The sauce will have a deeper color and a subtle mushroom aroma, which may be desirable in some variations but less traditional.

Vegan Fish Sauce Substitutes for Hollandaise Sauce

Full Vegan guide →
Soy Sauce
Ratio: 1/2 teaspoon per 1 cup of Hollandaise Sauce

Adds umami and saltiness with minimal impact on texture or color.

Tamari
Ratio: 1/2 teaspoon per 1 cup of Hollandaise Sauce

Gluten-free alternative to soy sauce with similar umami and saltiness.

Seaweed Stock (Concentrated)
Ratio: 1 teaspoon per 1 cup of Hollandaise Sauce

Provides marine umami without fish flavor, slightly watery if not reduced properly.

Lemon Juice with a Pinch of Soy Sauce
Ratio: 1/4 teaspoon soy sauce + 1/4 teaspoon lemon juice per 1 cup of Hollandaise Sauce

Balances acidity and umami but may slightly alter the sauce’s flavor profile.

Mushroom Soy Sauce
Ratio: 1/2 teaspoon per 1 cup of Hollandaise Sauce

Adds earthy umami with a darker color and slightly different aroma.

Gluten-Free Fish Sauce Substitutes for Hollandaise Sauce

Full Gluten-Free guide →
Soy Sauce
Ratio: 1/2 teaspoon per 1 cup of Hollandaise Sauce

Adds umami and saltiness with minimal impact on texture or color.

Tamari
Ratio: 1/2 teaspoon per 1 cup of Hollandaise Sauce

Gluten-free alternative to soy sauce with similar umami and saltiness.

Seaweed Stock (Concentrated)
Ratio: 1 teaspoon per 1 cup of Hollandaise Sauce

Provides marine umami without fish flavor, slightly watery if not reduced properly.

Lemon Juice with a Pinch of Soy Sauce
Ratio: 1/4 teaspoon soy sauce + 1/4 teaspoon lemon juice per 1 cup of Hollandaise Sauce

Balances acidity and umami but may slightly alter the sauce’s flavor profile.

Mushroom Soy Sauce
Ratio: 1/2 teaspoon per 1 cup of Hollandaise Sauce

Adds earthy umami with a darker color and slightly different aroma.

Dairy-Free Fish Sauce Substitutes for Hollandaise Sauce

Full Dairy-Free guide →
Soy Sauce
Ratio: 1/2 teaspoon per 1 cup of Hollandaise Sauce

Adds umami and saltiness with minimal impact on texture or color.

Tamari
Ratio: 1/2 teaspoon per 1 cup of Hollandaise Sauce

Gluten-free alternative to soy sauce with similar umami and saltiness.

Seaweed Stock (Concentrated)
Ratio: 1 teaspoon per 1 cup of Hollandaise Sauce

Provides marine umami without fish flavor, slightly watery if not reduced properly.

Lemon Juice with a Pinch of Soy Sauce
Ratio: 1/4 teaspoon soy sauce + 1/4 teaspoon lemon juice per 1 cup of Hollandaise Sauce

Balances acidity and umami but may slightly alter the sauce’s flavor profile.

Mushroom Soy Sauce
Ratio: 1/2 teaspoon per 1 cup of Hollandaise Sauce

Adds earthy umami with a darker color and slightly different aroma.

❌ What NOT to Use as a Fish Sauce Substitute in Hollandaise Sauce

Worcestershire Sauce

Worcestershire Sauce introduces additional strong flavors like vinegar, molasses, and spices that can disrupt the smooth, buttery profile of Hollandaise Sauce and make it taste tangy or overly complex.

Anchovy Paste

While anchovy paste contains umami, its concentrated flavor can be too intense and fishy in Hollandaise, overpowering the subtle balance and causing an unpleasant aftertaste.

Miso Paste

Miso paste has a thick texture and a strong fermented flavor that can alter the consistency and introduce a dominant taste, which is unsuitable for the light, creamy nature of Hollandaise Sauce.

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