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Drink

Soda Beer

A homemade soda beverage made by boiling sugar, tartaric acid, and flour, then mixing with baking soda solution.

From an old cookbook · modernised transcription
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Why it works: Sugar and flour are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 92,116 recipes. Both carry phenylacetaldehyde, which smells hawthorne, honey. The science ↓

Soda Beer

Ingredients

Directions

Make the base

  1. Boil the sugar, tartaric acid, and flour in 2 quarts of water for 2-3 minutes.

  2. Flavor the mixture to taste.

Serve

  1. For serving, dissolve ½ teaspoon of baking soda in ½ glass of water.

  2. Add 2 tablespoons of the boiled mixture to the soda solution and watch it foam.

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.

  1. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  2. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

Egg and flour barely smell alike, yet cooks put them together in 106,462 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

White sugar
Provides sweetness and the sugar that makes up the body of the drink.
Tartaric acid
Supplies acidity, which gives the drink its tang and reacts with the baking soda to foam.
Flour
Adds a little body and thickness to the boiled mixture.

“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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