This yellow-green fruit is lumpy ... Reserve the syrup to use in recipes or a quince spritz. You can also reduce it down into a jelly by boiling it until it reaches 220°F on a candy thermometer ...
You know a quince is ripe when it smells fragrant. Look for quinces that are even-toned and pale yellow with no darker spots (they bruise easily). Green quinces are underripe and less aromatic.
A little green is fine as long as the skin isn't ... It's an oldie but perennially good with cheese. Amanda Laird's quince paste recipe is scented with ginger too. Quinces and lamb are the stars ...