Onion-y

Speaking of onions, reminds me that perhaps Lily cooks them differently from the way you girls do. The deacon says he thinks her way is admirable because it leaves no onion-y taste in his mouth afterward. She slices and boils them in milk and water—about equal quantities—until they are quite soft, then pours it off and seasons with salt and pepper and adds a little cream and butter. The advantage lies in the boiling and extracting the strong flavor,

Source: wiktionary

Very often you will notice a slightly onion-y smell about the resting burrow of a male platypus.

Source: wiktionary

Pickled onions pack all the zing of a raw onion, but without the onion-y aftertaste.

Source: wiktionary