Seed Oil Free Roasted Leeks with Lemon
Leeks are one of those vegetables that transform completely under high heat — what starts as a mild, slightly grassy allium turns silky, sweet, and deeply caramelized at the edges. This simple roasted preparation lets that natural flavor shine, with nothing more than good extra-virgin olive oil, a little seasoning, and a bright squeeze of fresh lemon to finish. Cooking without seed oils doesn't mean sacrificing richness, and olive oil proves that point beautifully here — it crisps the cut sides of the leeks while adding a fruity, peppery depth that neutral industrial oils simply can't match. The two-stage roast is the real trick: starting cut-side down builds that golden caramelization, then flipping lets the layers soften all the way through. A scatter of fresh parsley at the end adds a pop of color and a clean herbal note that ties everything together. Serve it as an elegant side alongside roasted chicken or fish, or let it be the quiet star of a vegetable-forward spread — either way, it's the kind of dish that makes people ask for the recipe.
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Learn more →Ingredients
4 servings
- 4 large leeks (white and light-green parts only)
- 3 tbsp extra-virgin olive oil, divided
- ½ tsp kosher salt
- ¼ tsp black pepper
- ¼ tsp red pepper flakes (optional)
- 1 lemon, halved
For serving
- 2 tbsp fresh flat-leaf parsley, roughly chopped (optional)
Instructions
- 1
Preheat the oven to 425°F (220°C). Line a large baking sheet with parchment paper.
- 2
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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