The best deals in Boston so far:

• Kimball Fruit Farms (at most farmer’s markets) — $15 for 20 lbs of heirloom tomatoes (technically, they’re seconds, but great for sauce and the like).
• Chez Henri — $15 (or so) for the Cuban sandwich at the bar, which is fantastic and feeds two people more than adequately.
• Pemberton Farms — $1.99 for enough kale to feed a family of 6.

That’s what I’ve got, for now.