If you’ve ever had gout, you’ll know the line-up of suspects in that cartoon all too well: the throbbing big toe, the swollen ankle, the knuckle that won’t bend. The usual advice is to cut back on high-purine foods — but “eat fewer purines” is a lot easier said than cooked. What do you actually make for dinner on a Tuesday? What I needed was a low-purine meal planner.