where you could enter some key ingredients and it spits out a full recipes involving those things for you? I was just wondering b/c I often find things left in the fridge and can't figure out what to make with all of it together - it would be cool if this website existed.

Try this: http://allrecipes.com/Search/Ingredients.aspx report your experience with it back to us, please MTA: the same website creates shopping lists for you, if I remember correctly

This one does what you want - http://www.cookingbynumbers.com/