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Dessert

Puffs or Pop-overs

A light, airy muffin made with sour cream, flour, eggs, baking soda, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Flour and egg are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 106,462 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Puffs or Pop-overs

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Preheat the oven to 400°F (200°C).

Make the batter

  1. In a bowl, mix the sour cream and flour.

  2. Add the baking soda and salt to the flour mixture.

  3. In another bowl, beat the eggs separately until light.

  4. Fold the beaten eggs into the sour cream mixture.

Bake

  1. Pour the batter into muffin tins.

  2. Bake until puffed and golden brown.

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. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Cream + flourtop 20% of all pairs
    Smell alikemoderate
    Cooked together30,481 recipes

    Shared aroma: acetaldehyde (pungent, ethereal).

  3. Cream + eggtop 24% of all pairs
    Smell alikelow
    Cooked together42,166 recipes

    Shared aroma: acetic acid (sour, vinegar).

Flour and egg 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

Eggs
Beaten eggs add structure and lift, helping the batter puff as it bakes.
Flour
Provides the structure that holds the risen batter shape after baking.
Sour cream
Adds moisture and fat, giving a tender texture and some acidity.
Baking soda
Reacts with the sour cream's acidity to produce gas that helps the batter rise.

The step that matters

Fold the beaten eggs into the sour cream mixture. Folding gently keeps the air beaten into the eggs, which provides the lift that makes popovers puff. Stirring hard would deflate the batter and leave dense popovers.

“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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