Lemonade

Limonade (French sparkling lemonade) teaches a small but exact lesson: lemon juice supplies the acid, but zest supplies the perfume. Use only the glossy yellow film, because the white pith beneath it brings blunt bitterness. Both go into the cold infusion, and neither can do the other's work.

The book's kitchen assumed loaf sugar, filtered water kept cool, a fine strainer, and a charged syphon waiting for service. Your honest equivalents are fine granulated sugar measured to the same half-pound weight, the refrigerator, a fine-mesh sieve, and a cold one-quart bottle of plain seltzer. The entry already makes a civilized home pitcher, so I haven't cut it into an awkward half-batch. This is one cook, one refrigerator, one afternoon. The loaf shape and dedicated syphon were brigade scaffolding; the three-hour cold steep and last-minute carbonation are the dish, and they stay.

The finished limonade is pale, clear, and fragrant before it even reaches your lips, with bright acidity under a deliberate sweetness and bubbles lifting the lemon across the palate. The step that matters most happens before the steeping begins: take only the yellow zest.