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Creamy Leek & White Bean Gratin
Soft, sweet leeks are slowly caramelized until tender and golden, then gently folded with creamy white beans and a rich Parmesan sauce. This rustic yet elegant side dish is finished with a bubbly, golden top—comforting, nourishing, and deeply satisfying.
Ingredients: (Serves 4–6 as a side dish)
2 large leeks, cleaned thoroughly and thinly sliced (white and light green parts only)
2 tbsp extra virgin olive oil
2 garlic cloves, minced
1 (15 oz) can cannellini beans (or any creamy white beans), rinsed and drained
½ cup heavy cream (or substitute with full-fat coconut milk for dairy-free)
½ cup freshly grated Parmesan cheese (plus extra for topping)
½ tsp fresh thyme leaves (or ¼ tsp dried thyme)
½ tsp sea salt (adjust to taste)
¼ tsp freshly cracked black pepper
Pinch of nutmeg (optional, for a subtle warming note)
¼ cup breadcrumbs (optional, for topping)
Instructions:
1. Prepare the leeks:
Start by thoroughly cleaning the leeks—leeks often have hidden dirt between their layers. Slice off the dark green tops, keeping only the white and light green parts. Slice lengthwise, then into thin half-moons. Rinse the slices in a bowl of cold water, swishing to remove any dirt or grit, then drain well and pat dry.
2. Caramelize the leeks:
In a large skillet over medium heat, warm the olive oil. Add the leeks and a pinch of salt. Cook slowly, stirring occasionally, for about 10–12 minutes, until they soften and begin to caramelize lightly. If needed, add a splash of water to prevent sticking.
3. Add garlic & seasoning:
Stir in the minced garlic and thyme, cooking for 1–2 minutes until fragrant. Sprinkle in the nutmeg, if using, along with the black pepper.
4. Combine with beans & cream:
Add the drained white beans to the skillet, gently folding them into the leek mixture. Pour in the heavy cream and stir well to combine. Simmer gently for 2–3 minutes, just until warmed through and slightly thickened.
5. Add cheese:
Turn off the heat and stir in ½ cup Parmesan cheese until melted and creamy. Taste and adjust seasoning as needed.
6. Assemble the gratin:
Transfer the creamy mixture to a small baking dish (roughly 8x8 inches or equivalent). If you love a crispy top, sprinkle with breadcrumbs and additional Parmesan cheese for a golden finish.
7. Bake:
Preheat the oven to 375°F (190°C). Bake uncovered for 18–22 minutes, or until the top is lightly golden and bubbling around the edges. For extra browning, you can broil for 1–2 minutes at the end—watch closely!
8. Rest & Serve:
Allow the gratin to cool slightly for 5 minutes before serving. Garnish with extra thyme if desired.
Prep Time: 15 minutes
Cook Time: 40 minutes (includes baking)
Total Time: 55 minutes
Why You’ll Love It 💚
This dish is creamy, cozy, and packed with nourishing ingredients. The sweet, mellow flavor of caramelized leeks melds beautifully with the creamy white beans and Parmesan, creating a side dish that feels both indulgent and wholesome. It’s simple yet elegant—perfect for a holiday meal, a self-care dinner, or anytime you crave a comforting, plant-forward side.
Bonus: This dish is flexible! Swap heavy cream for coconut milk and use nutritional yeast instead of Parmesan for a fully dairy-free option that still feels rich and satisfying.
