Why it works: Lemon and cinnamon match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 7,950 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Hamburg Zwieback
Ingredients
Directions
The book says “a cool oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Make the dough
Combine milk, yeast, sugar, butter, and eggs in a large bowl to make a slack dough.
Set the dough in a warm place to rise.
Turn the dough onto a floured surface.
Divide the dough into pieces no larger than 1 pound.
Shape the pieces.
Let the pieces rise again.
Repeat the rising process 4 to 5 times until the dough is ready.
Form the dough into round balls.
Bake and cool
Place the balls on baking pans, ensuring they do not touch.
Allow the balls to rise until well-proofed.
Bake the balls in a preheated oven at 350°F (175°C) until light brown.
Let the baked zwieback cool for 6 to 8 hours.
Split and dry
Cut each piece in half with a sharp knife.
Place the halves back on pans.
Dry-toast the halves in a cool oven until brown.
Reassemble the tops and bottoms.
Store the finished zwieback for later use.
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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Lemon + cinnamontop 7% of all pairsSmell alikestrongCooked together7,950 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Milk + cinnamontop 10% of all pairsSmell alikemoderateCooked together12,655 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
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Sugar + cinnamontop 10% of all pairsSmell alikelowCooked together30,779 recipes
Shared aroma: guaiacol (smoky, sweet).
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Milk + lemontop 15% of all pairsSmell alikemoderateCooked together19,053 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and cinnamon barely smell alike, yet cooks put them together in 30,779 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 liquid that hydrates the flour and forms the slack dough.
- Yeast
- Produces gas during fermentation, making the dough rise and become airy.
- Sugar
- Feeds the yeast and adds sweetness and browning to the crust.
- Butter
- Adds fat that tenderizes the crumb and adds richness.
- Eggs
- Add structure through proteins and richness, helping the dough hold its shape.
The step that matters
Dry-toasting the halves in a cool oven. Zwieback needs slow, low-heat drying to become crisp and dry throughout. Rushing with high heat can brown the outside while leaving the centre moist and soft, so it will not keep well.
Swap the lemon
How well each one fits the dish's main ingredients (milk, sugar, butter, egg, cinnamon):
- Vanillafits better
- Figfits better
- Raisinfits better
- Lemonthe original
Fit is the average pairing score against milk, sugar, butter, egg, cinnamon. 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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