what is seriously the best brownie and cookie recipes ever ?

I want some super good brownie and cookie recipes …so all you chefs out there that really know how to make the best …I want in ^_^…lol….share the love and let me know how I can have some of the best brownies and cookies ever….I only want personally tried recipes from you..I tried two or three off of the web and they all were very not the best I had …in fact you could say they were not even as good as instant or frozen 🙁

Are there Christmas cookie recipes that I can make with just the simple ingredients I already have in my house?

I have all the basic ingredients in my house right now.
I want to make some different kinds of Christmas cookies without taking a trip to the store.
What is there to make?
Any recipes? (easy and simple but good)