Why it works: Milk and sugar are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 77,875 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Solidified Milk
Ingredients
Directions
Prepare
Combine milk, sugar, and baking soda in a large pot.
Evaporate
Heat the mixture in enameled iron vessels placed in warm water heated by steam.
Use a thermometer to regulate the water temperature.
Create a current of air between the covers and the milk.
Gently stir the milk while evaporating to avoid churning.
Continue until it reduces to a creamy-like powder.
Package
Cool the mixture in the air, then weigh it into 1-pound parcels.
Press each parcel into a compact tablet shape and cover with tin foil.
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.
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Milk + sugartop 18% of all pairsSmell alikelowCooked together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
Milk and sugar barely smell alike, yet cooks put them together in 77,875 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
- Milk
- Provides the bulk of the liquid, milk solids and fat that form the powder as water evaporates.
- White sugar
- Adds sweetness and, as it concentrates, helps the finished product stay firm and shelf-stable.
- Baking soda
- Raises the pH of the milk, which helps keep it from curdling during long heating.
The step that matters
Gently stir the milk while evaporating. Milk proteins and sugars scorch and stick to the hot metal when heated for a long time. Gentle stirring keeps the mixture moving across the vessel and prevents churning, which would incorporate air and cause uneven texture.
“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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