The Chew: Leek & Swiss Chard Gratin
Michael Symon shared a recipe from his very own dinner line-up, a delicious Leek and Swiss Chard Gratin. You really can’t go wrong with some good greens and a ton of cheese baked together in a casserole! If you’re looking for another side dish to add to your Thanksgiving table, especially one that will really impress your family and friends, try making this recipe on the big day!
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The Chew: Leek & Swiss Chard Gratin Recipe Ingredients

Michael Symon shared a fantastic, easy Thanksgiving side dish recipe that he makes every ear for his own Thanksgiving dinner. (rooey / Flickr)
- 3 tbsp extra-virgin olive oil
- 3 cloves garlic – minced
- 2/3 C all-purpose flour
- 1/2 C Gruyere cheese – shredded
- 1/4 tsp nutmeg – freshly grated
- kosher salt and freshly ground black pepper
- 3 lbs Swiss chard – large stems throws
- 6 medium leeks – white and tender green parts only, sliced 1/4-inch thick
- 6 tbsp unsalted butter + more to grease pan
- 1 qt whole milk
- 1/2 C Parmigiano-Reggiano cheese – freshly grated
- 3 tbsp olive
The Chew: Leek & Swiss Chard Gratin Recipe Directions
- Preheat the oven to 400 degees
- Butter a 10-by-15-inch baking dish
- In a large pot of boiling water, blanch the chard in batches until wilted, about 1 minute
- Drain the chard, squeeze dry, then chop
- Heat the olive oil in a heavy bottomed pot
- Add the leeks and a pinch of salt
- Cover and cook over medium-low heat until tender, about 7 minutes
- Uncover, add the garlic and cook, stirring, until fragrant, about 2 minutes
- Add the chard, season with salt and pepper, then remove from heat
- In a large saucepan over medium heat, melt the butter
- In a large saucepan over medium heat, melt the butter
- Stir in the flour and whisk to form a paste
- Gradually whisk in one-third of the milk until smooth, then add the remaining milk
- Bring the sauce to a boil, whisking constantly
- Reduce the heat to low and cook, stirring often, until thickened, about 15 minutes
- Whisk in the cheeses, nutmeg, and season with Kosher salt and freshly ground black pepper
- Fold the sauce into leeks and chard
- Transfer the mixture to the prepared baking dish
- Bake in the upper third of the oven for about 20 minutes until bubbling and golden on top
- Let rest for 10 minutes before serving
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