Tried the BBC one. OK, but too much cardamom and think I would have preferred it with addition of nutmeg and/or cloves:
http://www.bbc.co.uk/food/recipes/theultimatemasalatea_86647
A few others to try:
http://thehathicooks.blogspot.co.uk/2011/11/how-to-make-best-chai-ever.html
http://www.thekitchn.com/recipe-homemade-chai-47061
http://joannagoddard.blogspot.co.uk/2013/09/the-best-masala-chai-youll-ever-have.html
http://www.bbc.co.uk/food/recipes/theultimatemasalatea_86647
A few others to try:
http://thehathicooks.blogspot.co.uk/2011/11/how-to-make-best-chai-ever.html
http://www.thekitchn.com/recipe-homemade-chai-47061
http://joannagoddard.blogspot.co.uk/2013/09/the-best-masala-chai-youll-ever-have.html