ok then, you will need ingredients that you cannot get at your local grocery store: Malt extract, hops and yeast. For this you will have to go to a home brew store or order them online. The Malt extract can be streched with sugar, though this will bring down the price, it will compromise the flavor or the finished product.
A mellow porter might be a good choice. Not too hard to make, a bit of roast to hide flaws and it can handle a little sweet edge. I will leave the extract recipe to somebody else. Just avoid those wheat beers, they will lead you down a dark road to damnation and suffering.