Raisins that were refrigerated for one month are dry, hard, and gritty. What has happened? Should the raisins be discarded? Why is it faster to prepare a cooked fruit coulis (sweetened fruit puree) by...

Raisins that were refrigerated for one month are dry, hard, and gritty. What has happened? Should the raisins be discarded?

Why is it faster to prepare a cooked fruit coulis (sweetened fruit puree) by cooking the fruit in a small amount of water and withholding sugar until after the fruit disintegrates?