There is a new printable coupon for $1 off 1 Kraft Singles at Dollar General here.
You must use zip 77477 to find this coupon. (See directions below how to do that).
To change the zip code so you can find this awesome coupon, first go to the coupon page here. Enter 77477 in the box to the top left of the page (as shown below in an example). Hit the small arrow near the box. Your coupons will refresh and you will now be seeing offers for 77477.