Diet-Friendly Muffins

I'm always on the search for foods that will satisfy my sweet tooth but still allow me to lose weight.  I think I found this recipe on someone's blog last week but I can't remember where exactly but the original recipe came from Hungry Girl.

 These delicious brownie muffins taste like regular fattening muffins but they aren't!

  You just mix a can of pumpkin (yes pumpkin!) with a box of