Name: German Way to Serve Lettuce
Ingredients: 3 heads of tender lettuce; ½ cup ham, cut into small squares; 3 tablespoons vinegar; 2 eggs; 1 tablespoon sugar; 1 cup sour cream

Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓

German Way to Serve Lettuce

Ingredients

Directions

Prepare

Pull the lettuce heads apart and wash them.

Make the dressing

Fry the ham squares in a pan until nicely browned.
Remove the ham and add vinegar to the pan.
Beat the eggs until light, then mix in sugar and sour cream.
Combine the egg mixture with the vinegar and heat gently.

Serve

Pour the hot mixture over the lettuce in a dish, then top with the ham.

Recipe from a historical cookbook (Internet Archive).

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.

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.

Sugar + creamtop 9% of all pairs

Smell alikemoderate

Cooked together43,450 recipes

Shared aroma: 2,3-butanedione (butter, sweet).
Lettuce + vinegartop 14% of all pairs

Smell alikemoderate

Cooked together2,370 recipes

Shared aroma: isobutyraldehyde (malty, green).
Vinegar + sugartop 15% of all pairs

Smell alikemoderate

Cooked together20,806 recipes

Shared aroma: beta-damascenone (apple, rose).
Ham + eggtop 17% of all pairs

Smell alikemoderate

Cooked together4,526 recipes

Shared aroma: 2,4-decadienal (seaweed).
Egg + sugartop 21% of all pairs

Smell alikemoderate

Cooked together122,807 recipes

Shared aroma: 2-nonenal (fatty, green).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Lettuce: Forms the leafy base that the warm dressing wilts and coats.
Eggs: Thicken the dressing as they gently set when heated.
Sour cream: Adds richness and a creamy body to the dressing.
Vinegar: Provides sharp acidity that balances the sweetness and richness.
Sugar: Softens the sharpness of the vinegar for a balanced flavour.
Ham: Browned pieces add savoury flavour and a contrasting texture on top.

The step that matters

Heat the egg mixture gently. Eggs thicken when heated but can curdle if they get too hot or boil. Gentle heat keeps the dressing smooth and creamy rather than grainy.

Swap the lettuce

How well each one fits the dish's main ingredients (ham, vinegar, egg, sugar, cream):

Mustardfits better
Capsicumfits better
Cucumberfits better
Lettucethe original

Fit is the average pairing score against ham, vinegar, egg, sugar, cream. 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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German Way to Serve Lettuce