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Marshmallow Filling

A sweet filling made from melted marshmallows, egg whites, vanilla, and lemon juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Marshmallow Filling

Why it works: Vanilla and lemon are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 5,961 recipes. Both carry eucalyptol, which smells eucalyptus, herbal. The science ↓

Marshmallow Filling

Ingredients

Directions

Make the filling

  1. Place half of the marshmallows in a double boiler with the water over heat until melted.

  2. Beat the egg whites until very stiff and gradually pour them over the melted marshmallows.

  3. Add vanilla and lemon juice, then mix well.

Assemble and finish

  1. Spread the mixture between layers of cake.

  2. Put the remaining marshmallows in the oven until they swell but do not brown.

  3. Place them on top of the cake and pour boiled filling over them.

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.

Photo for illustrative purposes only · Contact us to use it

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. Vanilla + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together5,961 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  2. Egg + lemontop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  3. Egg + vanillatop 23% of all pairs
    Smell alikelow
    Cooked together27,347 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

Egg and lemon 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

Marshmallows
Melt to form a sweet, sticky base that holds the filling together.
Egg whites
Whipped to stiff foam, they add lightness and structure to the filling.
Lemon juice
Adds acidity that balances the marshmallow sweetness and helps stabilise the whipped whites.

The step that matters

Heating the remaining marshmallows. Marshmallows swell and soften with gentle heat, but browning means the sugars have caramelised too far. Watching them closely keeps them pale and soft for the topping.

Swap the vanilla

How well each one fits the dish's main ingredients (egg, lemon):

  1. Orangefits better
  2. Limefits better
  3. Raspberryfits better
  4. Vanillathe original

Fit is the average pairing score against egg, lemon. 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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