Watermelon Agua Fresca with Fresh Lime

Start with the watermelon. It should be heavy for its size, dull on the skin where it rested on warm soil, and when you thump it, you want a deep hollow sound. That is ripeness. That is sugar developed by sun and time. If your melon is pale, watery, or tastes like refrigerator, wait for another one.

Agua fresca means fresh water, and the name tells you everything about the philosophy. In Mexican markets, these drinks are made each morning from whatever fruit is at its peak. Watermelon in July and August. Cantaloupe when the fields are heavy with it. The blender does the work of releasing juice and flesh, and cold water stretches the fruit into something you can drink all afternoon.

Perfect ripeness means you need almost nothing else. A squeeze of lime wakes everything up. A small spoon of local honey if your melon is less than ideal. That is all. Let things taste of what they are.

Every glass is a meaningful choice. Buy your watermelon from someone who grew it. Squeeze your own limes. Skip the bottled juice and the processed sweeteners. The connection matters, and the drink tastes better for it.