Raspberry Sauce

In a medium strainer suspended over a deep bowl, thaw the raspberries completely. This will take several hours. (To speed thawing, place the strainer and bowl in an oven with a pilot light or turn on the oven light.) Press the berries to force out all the juice. There should be about ½ cup/4 fluid ounces of juice. Set aside the raspberries.

In a small saucepan (or in a 2-cup heatproof m