Why it works: Milk and flour are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Soda Bread
Ingredients
Directions
The book says “a brisk oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Mix equal parts of tartaric acid and baking soda and set aside.
Dissolve 1 teaspoon of the mixture and a pinch of salt in 1 cup of milk.
Make and bake the dough
Stir the milk mixture into 1 pound of flour.
Knead the dough until smooth and light.
Place the dough in a tin and bake in a 400°F (200°C) oven for about 1 hour.
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.
-
Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Milk and flour 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
- Flour
- Forms the structure of the loaf as its proteins and starches set during baking.
- Milk
- Provides moisture and dissolves the leavening mixture so it can react through the dough.
- Baking soda
- Reacts with the acid to release carbon dioxide, which makes the loaf rise.
- Tartaric acid
- Reacts with the baking soda to produce carbon dioxide for rising, and adds a slight tang.
The step that matters
Knead the dough until smooth and light. Soda bread rises from a fast acid-base reaction rather than yeast, so the dough should be handled briefly. Over-kneading develops gluten and can make the loaf tough and dense.
“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.
More soda bread recipes
You might also like
Cornbread345 recipes
Bread Pudding336 recipes
Milk Bread Rolls242 recipes
Potato Bread124 recipesThe 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.