These come from a site called "101 Cookbooks" and are super nice, although I had to adjust the baking times because it didn't totally work the way they said to do it. Anyway, this way works. To make them, you will need:
2 cups flour
1 teaspoon baking soda
3/4 teaspoon salt
1 cup peanut butter
1 cup maple syrup
1/3 cup olive oil
1 1/2 teaspoons vanilla extract
Preheat the oven to 375 degrees Fahrenheit or 190 degrees Celsius. Mix the peanut butter, maple syrup, oil, and vanilla extract together in a bowl. Then add the flour, baking soda, and salt, and mix until combined. Grease a cookie sheet (I had to use two) or, for really easy cleanup, just put a sheet of parchment paper on the cookie sheet instead. Then put tablespoonfuls of batter onto the cookie sheet and stick in the oven for 15 minutes or so. They're done when they're a little browned on top but still soft in the middle. This makes about 18 cookies, depending on their size.
Because these things contain no processed sugar, I made two batches, one of which was with whole wheat flour, to see if they could actually be made completely healthy. The whole wheat ones came out as expected (i.e. semi-tolerable). Let's be honest, if the only way to avoid getting fat is to eat loads of whole wheat things, I guess I will just have to get fat.