Why it works: Barley and flour work together. They rank in the top 13% of all ingredient pairs, and cooks put them together in 582 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Boiled Flour Gmel
Ingredients
Directions
Make the barley water
Wash the barley.
Boil it in 1 pint of water for 5 minutes.
Strain the barley.
Place it in a jug.
Pour 1 quart of boiling water over the barley.
Cover with a cloth.
Let it cool.
Stir.
Strain.
Set aside for use.
Make the boiled flour
Press the best white flour into a pudding basin until compact.
Tie the basin with a cloth.
Boil continuously for 12 hours.
Remove the cloth.
Let it cool.
Grate or roll until smooth.
Store in covered jars for later use.
Make the gruel
Mix 4 tablespoons of the flour with ¼ pint of water until smooth.
Pour ¾ pint of boiling milk or water over the mixture.
Boil for 10 minutes, stirring continuously.
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.
-
Barley + flourtop 13% of all pairsSmell alikemoderateCooked together582 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Barley + milktop 14% of all pairsSmell alikemoderateCooked together598 recipes
Shared aroma: ethyl octanoate (fruity).
-
Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and milk barely smell alike, yet cooks put them together in 78,219 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
- Fine pearl barley
- Its starch thickens the liquid and gives the gruel a soft, light body.
- Boiled flour
- Long boiling cooks the flour so it thickens smoothly and gives the gruel its body.
- Milk
- Adds moisture and richness to the gruel when used in place of water.
The step that matters
Mix the flour with cold water until smooth before adding the boiling liquid. Flour added directly to hot liquid forms lumps, because the outer starch gelatinises before the inside wets. Blending it smooth first lets the starch disperse evenly, and continuous stirring during the 10-minute boil keeps the gruel even.
“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.
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Cream of Barley Soup10 recipes
Tomato Soup526 recipes
Brown Bread461 recipes
Mutton Broth292 recipes