Why it works: Asparagus and mustard match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and 213 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
The recipe
8 servingsIngredients
Contains: egg, milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.
Preheat the oven to 350°F (175°C) and grease a 9x13-inch baking dish.
Cook the bacon in a large skillet over medium heat until crisp, about 10 minutes. Drain on paper towels, then crumble. Leave a spoonful of the bacon fat in the skillet.
Trim the asparagus and cut into 1-inch pieces. Boil them in a pan of boiling water for 2 minutes, then drain well.
Cook the diced onion and red bell pepper in the reserved bacon fat over medium heat for 5 minutes, until softened.
Cut the bread into 1-inch cubes and spread half in the baking dish. Top with half the bacon, half the asparagus, half the onion and pepper, and 1 cup of the shredded Cheddar.
Repeat with the remaining bread, bacon, asparagus, onion and pepper, then sprinkle with the second 1 cup of Cheddar.
Whisk the eggs, milk, dry mustard, salt and pepper together, then pour evenly over the layers. Press the bread down gently and let stand 20 minutes so it soaks up the custard.
Bake for about 60 minutes, until golden on top and set in the center. The center should reach 160°F (71°C) on an instant-read thermometer. Rest 10 minutes before cutting.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.
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Asparagus + mustardtop 4% of all pairsAroma overlapstrongMentioned together213 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Milk + cheddar cheesetop 4% of all pairsAroma overlapstrongMentioned together1,963 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Milk + breadtop 4% of all pairsAroma overlapstrongMentioned together11,363 recipes
Shared aroma: 2-undecenal (sweet).
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Mustard + oniontop 4% of all pairsAroma overlapstrongMentioned together9,243 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + cheddar cheesetop 5% of all pairsAroma overlapmoderateMentioned together708 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (asparagus, egg, milk, mustard, pepper, bread, cheddar cheese):
- Potatobetter flavor fit
- Capsicumbetter flavor fit
- Tomatobetter flavor fit
- Onionthe original
Fit is the average pairing score against asparagus, egg, milk, mustard, pepper, bread, cheddar cheese. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
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