Why it works: Butter and lemon are a kitchen classic. They rank in the top 16% of all ingredient pairs, and cooks put them together in 41,227 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Fine Horseradish Sauce
Ingredients
Directions
Prepare the horseradish
Wash, wipe, and scrape the horseradish root free of outer skin, then grate it finely on a bright grater to a pulp.
Combine 2 heaped tablespoons of grated horseradish, 1 moderate teaspoon of salt, 4 tablespoons of rich cream, and 3 dessertspoons of good vinegar; stir vinegar briskly into the mixture in small portions.
Add a few drops of garlic or shallot vinegar if desired.
Make the sauce
For the cold maître d’hôtel sauce, mix 2–3 ounces of good butter, some pepper, salt, minced parsley, and the strained juice of a lemon until perfectly blended.
For the 2‑oz butter version, combine 2 ounces butter, 1 heaped teaspoon of young minced parsley, juice of 1 lemon, 1 small saltspoonful salt, and white pepper.
For the cold Dutch or American sauce, put 3 ounces of good butter blended with a small teaspoon of flour into a saucepan; add a large wineglassful of cold water, half as much sharp vinegar (or fresh lemon juice), a saltspoonful of salt, and half as much cayenne powder.
Shake or stir the mixture over a clear fire until it forms a smooth sauce and boils rapidly.
Quickly stir the hot sauce into the beaten yolks of four fresh eggs, which will give the sauce custard consistency.
Chill and serve
Pour the hot sauce over the salad, then place it on ice or in a very cool larder until it is quite cold.
Optionally mix in a dessertspoonful of parsley or tarragon, or other flavorings.
Use the sauce to dress salt fish, sliced potatoes, hard eggs, or other salads.
Nutrition, whole recipe (rough)
Counts 6 of 7 ingredients. The other 1 aren't in our nutrition table and add nothing above, so the real totals are higher.
What these numbers assume: 6 portions
| Ingredient | Portion assumed | kcal |
|---|---|---|
| Butter | 1 tbsp (14g) | 102 |
| Eggs | 1 large egg (50g) | 78 |
| Lemon | juice of 1 lemon (48ml) | 12 |
| Cayenne | 1 tsp (1.8g) | 6 |
| Vinegar | 1 tbsp (15ml) distilled | 3 |
| Salt | 1 tsp (6g) | 0 |
| Water | not in our table | 0 |
One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures. See the original page.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
-
Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
-
Lemon + eggtop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
-
Lemon + vinegartop 20% of all pairsSmell alikemoderateCooked together7,334 recipes
Shared aroma: acetic acid (sour, vinegar).
-
Butter + vinegartop 23% of all pairsSmell alikemoderateCooked together13,513 recipes
Shared aroma: isoamyl acetate (banana, pear).
Lemon and egg barely smell alike, yet cooks put them together in 44,316 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Enriches the sauce and gives it a smooth, rich body when blended.
- Eggs
- Beaten yolks thicken the hot sauce into a custard-like consistency.
- Horseradish (in the method)
- Provides the sharp, pungent flavor that defines the sauce.
- Vinegar
- Adds acidity that sharpens the flavor and balances the richness.
- Flour (in the method)
- Helps thicken the butter and water base into a smooth sauce.
The step that matters
Adding the hot sauce to the eggs. If the sauce is too hot or added too slowly, the egg yolks can scramble instead of thickening smoothly. Stirring the hot sauce in quickly and steadily keeps the yolks evenly warmed so they set into a smooth custard.
Swap the lemon
How well each one fits the dish's main ingredients (butter, egg, vinegar):
- Strawberryfits about as well
- Currantfits about as well
- Raspberryfits about as well
- Lemonthe original
Fit is the average pairing score against butter, egg, vinegar. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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