Amazon takes an extra 25% off select Kellogg's snack bars via this clippable coupon. Even better, cut an additional 5% off and bag free shipping when you checkout with Subscribe & Save. A couple of best bets, both with prices after the above discounts and compared to the best price we could find at a local retail store:

• Kellogg's Special K Cookies and Creme Pastry Crisp 5-Pack for $1.94 ($1 low)
• Kellogg's Special K Cranberry Almond Chewy Nut Bar 5-Pack for $2.15 (pictured, $1 low)