Wow, there are a bunch of new printable coupons you may want to check out at Mambo Sprouts. One of them is a $1/1 Silk coupon that is good on the singles. Kroger has these on sale for $1 right now, so FREE after coupon.
$1/1 Silk single or 4-pack printable coupon
Kroger scenario:
BUY ONE SILK ALMOND OR SOY MILK SINGLE, on sale $1
Use one $1/1 Silk single or 4-pack printable coupon
NET PRICE: FREE!