Wrap the chain around the largest cog and largest chain ring. Do not wrap it thru the RD.
See where the chain connects and add 2 links. Cut there and attach the chain.
Its worked for me up to now and I havent read reasons why its a bad process, though now that Ive typed it there is a 60% chance I will be told why its a bad process.
Anyways, its quick and simple.