Preheat the oven to 350 degrees.
Mix the peanut butter, sugar, and egg in a large bowl.
Once fully mixed, pour the chocolate chips in and stir.
Use one large cookie sheet, and spray with cooking spray.
Get the cookie dough mixture and spoon one tablespoon per cookie onto the cookie sheet.
Put the cookie sheet in the oven, and let the cookies bake for 15 minutes.
Let cool, and then enjoy!