This week's email coupons from Shaws include one for a free fresh lemon. No minimum purchase required.

Here's the fine print:

Must meet minimum purchase requirement after all other valid coupon redemptions and Shaw’s Rewards Card® discounts. Cannot be doubled, tripled, quadrupled or exchanged for cash. Not valid toward previous purchase. Void if copied or transferred. In the event of a return, coupon savings may be deducted from refund. May be combined with similar offer when combined purchase threshold is met. One coupon per customer. Valid through 1/26/12. Redeemable only at participating Shaw’s Supermarkets and Massachusetts Star
Market locations.