Update: Subscribe & Save is no longer available
Amazon has 6-pack 3.5oz Kitchens of India Paste for Butter Chicken Curry for $10.27 - 5% off Subscribe & Save - clip 20% off coupon on product page = $7.71. Shipping is free while Subscribe & Save is available. Thanks Jcaelum
Also available, 6-pack 3.5oz Kitchens of India Curry Paste Variety Pack for $7.78 with Subscribe & Save and the 20% off coupon
Note, you may cancel your subscribe & save subscription any time after your order ships.