Amazon has 20-Count Nutella Hazelnut Spread Biscuit Cookies on sale for $4.96 - $0.74 (clip the 15% off coupon on the item page) - $0.25 (5% Subscribe & Save discount) = $3.97. Shipping is free with Prime or on $35+ orders.

Note: There is a $0.94 multi-buy discount if you purchase a quantity of 2 for a total of $7.74. The 15% off coupon will only apply to 1 pack.

Thanks to Deal Hunter LolaBunny21 & Community Member spooky187 for finding this deal.