Dear Heloise: I buy the large onion-powder spice for quick recipes. Over time, however, the onion powder clumps together into rocklike balls and won't flow out of the container. I can't afford to ...

I buy the large onion-powder spice. Over time, the onion powder clumps together into rocklike balls. How do I get them back to powder form? Use a large spoon or even a serving fork to break up the ...