1 Cup Peanut Butter
1 Egg
1 Cup Sugar
That's it! She said she just rolls them in a ball and presses them down. She didn't say the temp. but, I would think it would be 350. I don't know when I'll get a chance to try it out, but if you do, let me know how it worked for you.
* Update
I did try these. They are pretty good if you eat them RIGHT AWAY. Otherwise they turn hard as a rock.
I put them in a baggie with a slice of bread overnight to soften them. It helped. A little.