Prickly pear cactus is the fruit of any of several cactus varieties. Ranging in color from green to purplish red, prickly pear cactus—or cactus pear—has soft, porous flesh dotted with black seeds. Look for it in Mexican markets and some specialty produce markets.
In most cases, it’s possible to replace fresh herbs with one-third the amount of dried. Not so with cilantro. This fragrant herb’s delicate flavor is easily lost with heat, so fresh is best.