Why it works: Pepper and tomato are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,923 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Breaded Sweet-breads
Ingredients
Directions
Prepare
Boil the sweetbreads until cooked through, then season with coarse sea salt and black pepper.
Bread and fry
Dip the seasoned sweetbreads in the beaten eggs, then coat with cracker crumbs.
Fry in hot lard until light brown.
Serve
Serve with tomato sauce.
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.
-
Pepper + tomatotop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Tomato + saucetop 15% of all pairsSmell alikelowCooked together5,469 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Pepper + saucetop 27% of all pairsSmell alikelowCooked together15,303 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Pepper + eggtop 33% of all pairsSmell alikelowCooked together50,580 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Egg + tomatotop 34% of all pairsSmell alikelowCooked together5,890 recipes
Shared aroma: 2-nonenal (fatty, green).
Pepper and sauce barely smell alike, yet cooks put them together in 15,303 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
- Sweetbreads
- Main protein, which is cooked through by boiling before being breaded and fried.
- Eggs
- Bind the cracker crumbs to the sweetbreads so the coating adheres during frying.
- Cracker crumbs
- Form a crisp, golden coating that browns in the hot lard.
- Lard
- Conducts heat for frying and encourages browning and a crisp crust.
The step that matters
Fry in hot lard until light brown. The fat must be hot enough to brown and crisp the crumb coating quickly. If it is too cool, the coating absorbs more fat and turns greasy and soggy, while the sweetbreads are already cooked so the goal is color and crispness, not doneness.
Swap the tomato
How well each one fits the dish's main ingredients (pepper, egg, sauce):
- Capsicumfits better
- Spinachfits better
- Asparagusfits about as well
- Tomatothe original
Fit is the average pairing score against pepper, egg, sauce. 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.
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.
Tomato Soup526 recipes
Cream of Tomato Soup107 recipes
Tomato Bisque61 recipes
Cream Tomato Soup28 recipes