pecans
Also known as: chopped pecans
A rich, buttery tree nut, native to North America and especially associated with Southern baking -- pies, cobblers, and casserole toppings among them. Higher in fat than most other nuts, which gives it that characteristic richness but also means it goes rancid faster than a drier nut like an almond.
Buying guidance
Pre-chopped pecans are convenient for a topping or filling, but whole or halved pecans toasted and chopped just before using taste noticeably fresher, since the cut surfaces of pre-chopped nuts have more exposed area for the oils to turn stale. Buy from a store with enough turnover that the nuts haven't sat on the shelf a long time -- vacuum-sealed bags keep better than an open bulk bin.
Substitutions
- Walnuts -- similar richness and texture with a slightly more bitter, tannic edge; a common 1:1 swap.
- Almonds -- crunchier and less buttery, works fine in a topping where the specific pecan flavor isn't essential.
- Omit entirely -- fine in most baked applications, just loses the nutty crunch and richness.
Tips & common mistakes
Because of their high fat content, pecans burn quickly once they start browning -- toasting them (dry in a pan or a low oven) needs closer watching and more frequent stirring than a lower-fat nut, and the last stretch of toasting can turn bitter in under a minute if left unattended.
Storage
Their fat content makes them go rancid at room temperature within a couple of months -- refrigerate for several months or freeze for up to a year or more. Taste one before using a bag that's been stored a while; rancid pecans taste faintly bitter or like old paint rather than sweet and buttery.