Watermelon Rind Pickle

Throwing watermelon rind in the trash is throwing away half the fruit. This Kentucky preserve was born of frugal Southern kitchens during a time when nothing edible got wasted, and the result is a pickle that’s sweeter than a bread-and-butter and more complex than candied citrus peel.

The three-day salt soak does important work. It draws out moisture and firms the rind cell walls so the chunks stay crisp instead of going mushy when they hit the hot syrup. Skipping or shortening this step is the single most common reason home cooks end up with limp pickles.

The outer green skin must come off entirely, but leave a thin layer of pink flesh attached. The flesh dissolves into the syrup and adds color, and you’ll know the rind has finished cooking when each piece turns translucent (almost glassy) all the way through.

The paper-thin lemon slices, including the peel, are essential. They contribute pectin that thickens the syrup slightly and bright citrus oils that balance the heavy brown sugar.

Kitchen Tips

• Choose a watermelon with thick rind. Seedless varieties tend to have thinner walls. A heavy fat-rinded farmstand watermelon is the move.
• Toast the whole cloves and cinnamon sticks briefly in a dry pan before adding to the syrup. The aromatics bloom much deeper.
• Tie the spices in a cheesecloth bundle if you want a clear syrup without spice debris in the jars.
• Process sealed jars in a boiling water bath for 10 minutes for shelf-stable storage, or refrigerate and use within a month.

Variations

• Add 2 thin slices of fresh ginger to the syrup for a warming bite.
• Use apple cider vinegar in place of white for a fruitier pickle.
• Toss in a handful of dried red chiles for a sweet-spicy version.