Amazon offers the Clif Crunch Granola Bar 2-Bar Pouch 5-Pack in Chocolate Peanut Butter for $2.41. Order via Subscribe & Save to cut the price to $2.29 and bag free shipping. (Chocolate Chip is available for about 30 cents more.) That's a buck below our mention from two weeks ago and the lowest total price we've seen. (It's also about a buck below what you'd pay in-store locally. They feature no artificial flavors, colors, or preservatives.
Be sure to cancel Subscribe & Save after your order ships to avoid being billed for subsequent shipments.