
Leeks are one of those vegetables that completely transform in the oven — what starts out mild and a little grassy turns sweet, silky, and deeply caramelized at the edges. This simple roasted preparation lets that natural flavor shine with nothing more than good olive oil, a pinch of heat, and a generous squeeze of fresh lemon at the end. Every ingredient here is straightforward and plant-based, so there's no need to scan labels or worry about hidden additives sneaking into your meal. The two-stage roasting method — cut-side down first, then flipped to caramelize — is the real secret to getting those gorgeous golden edges without drying the leeks out. A scatter of fresh parsley right before serving adds a bright, herby finish that makes the whole platter look like something from a restaurant. It works beautifully as a side dish alongside roasted chicken or fish, but honestly it's impressive enough to anchor a vegetable-forward spread on its own.
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Preheat the oven to 425°F (220°C). Line a large baking sheet with parchment paper.
Trim the root ends and dark-green tops from the leeks, leaving only the white and light-green parts. Halve each leek lengthwise, then rinse under cold running water, fanning the layers to remove any grit. Pat thoroughly dry with paper towels.
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