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Welsh Onion

Welsh Onion is a vegetable with 231 known flavor compounds. The most distinctive molecule is 1,3-dithiane. It pairs most strongly with wakame, sharing 179 flavor compounds. Welsh Onion appears in 7 recipes, most commonly in cuisine niçoise cuisine.

Scientific name: Allium fistulosum
species of plant
Welsh Onion — ingredient reference image
231
Flavor Compounds
8
Top Pairings of 856 scored

Flavor Science

Flavor Profile Breakdown

231 compounds

How Welsh Onion's 231 known compounds break down by aroma category. Percentages are of compounds with a known label.

other 36 · 15.6%
sour 28 · 12.1%
floral 26 · 11.3%
sulfurous 23 · 10.0%
fruity 20 · 8.7%
green 20 · 8.7%
roasted 16 · 6.9%
herbal 13 · 5.6%
spicy 8 · 3.5%
caramel 5 · 2.2%

Most Used In

Flavor Compounds

27 of 231 are distinctive to welsh onion — they appear in under 10% of foods. The remainder are the background most foods share.

Ordered by measured impact in welsh onion — concentration against odour threshold where both are published, then by how distinctive the molecule is across the graph. Molecules measured here but not established as odorants sit below those that are.

Molecules volatile enough to reach the nose.

Best Pairings for Welsh Onion

Ranked by how often cooks actually use them together, across 453,403 recipes — the familiar answer first. Each pairing still carries its molecular score and shared-compound count; only the ORDER differs. Counts cover every characterised molecule the two ingredients have in common, not only the aroma-active ones, so they can exceed an ingredient’s aroma-compound count. For the chemistry-first view — where the surprising pairings live — see the molecular network below, the side-by-side comparison, or the Pairing Tool.

Molecular Neighborhood

Welsh Onion and its 10 closest compound-sharing relatives. Spoke thickness = shared compounds; circle size = that ingredient's own compound count. Drag to rearrange, scroll to zoom, click to open.

Molecular neighborhood diagram of welsh onion — top 10 ingredients ranked by shared volatile compounds

Recipes with Welsh Onion

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Research basis

Welsh Onion is supported by 1,233 peer-reviewed papers

Drawn from PubMed + Europe PMC + food-science journals. Click any title to read the full abstract on the original source.