Amazon.com has 48-Count Fiber One 90 Calorie Fudge Mint Brownies for $10.92 when you ‘clip’ the $8 off Coupon found on the item page and Checkout with Subscribe & Save (skip immediate delivery and just add subscription). Shipping is free.
Link to Deal
Price at 15% S&S is $8.93 (~$2.23 per box).
Note:
You must be signed into your Amazon account in order to "clip" the coupon. Coupons are typically one per account and may not be available to everyone.