Right now, you can help Outnumber Hunger simply by entering a code. If you typically purchase any General Mills products, all you have to do is type in the code on the box online. Check to see if you already have some of the participating products; there are quite a few of them!
You can also help fight hunger by supporting the World Food Programme. WFP has done a great job of raising money simply through advertising, with games like Freerice. However, now you can donate a free meal to someone just by taking a short quiz to test your Hunger IQ! It's only five questions long and has some interesting information about hunger.
As a side note, I'm trying really hard to update this site and get back on track with the good deeds I've already posted about. I added a section on the left hand column titled "List of Good Deeds" that is a complete list of all of the "days" I've posted about so far as well as which ones I still need to complete. I'm hoping that this might make it easier for me to keep track of my deeds and for anyone else to follow along if they'd like!