Epicurious cranks my handle, you can put an ingredient in the search box and it will show you recipes with that ingredient. Only con to it is a lot of recipes are American based.
I have loads of of site bookmarked that I've collected over the years, so I though I might as well just export my recipes bookmarks folder and upload it so anyone can just look through it. WARNING, it's mainly all Asian/Chinese/Curry type sites and recipes roud: