If you just made yourself a pile of steamed crabs for dinner, don't toss those shells in the trash just yet -- you can still get some use out of them even if you can't eat them. That's because crab ...

Bring a large pot of water to a boil with pinch of salt and cook the pasta shells as directed on the packaging. Meanwhile wilt the spinach (frozen is okay, just thaw and dry very well). Let the ...