
Leeks are one of those vegetables that completely transform in the oven — what starts out mild and a little grassy becomes sweet, silky, and deeply caramelized at the edges. This simple side dish leans on high heat and good olive oil to do all the heavy lifting, with a final squeeze of fresh lemon that brightens everything up beautifully. A pinch of red pepper flakes adds a gentle kick if you're in the mood, and a scatter of flat-leaf parsley makes the whole platter look like something from a restaurant. Because the ingredient list is so clean — just leeks, olive oil, salt, pepper, and citrus — there's nothing here to second-guess if you're keeping stimulants out of your diet. No sauces, no marinades, no hidden additives that might sneak in unwanted compounds. It's the kind of recipe that proves restraint is often the most delicious choice, and it pairs effortlessly with roasted chicken, grilled fish, or a simple grain bowl.
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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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