Ultimate Slow Cooker Leek and Potato Soup
A Set-It-and-Forget-It Classic
There is nothing quite like coming home to the aroma of leeks and potatoes that have been simmering all day. This recipe takes the French classic, Potage Parmentier, and adapts it for the modern kitchen using the slow cooker.
By using the slow cooker, you allow the leeks to soften into a sweet, almost jam-like consistency without the risk of burning them. The potatoes absorb the savory vegetable or chicken stock, resulting in a deep, layered flavor that quick stovetop versions often miss.
Whether you prefer it chunky and rustic (as seen in the photo) or silky smooth and blended, this is the definitive guide to the perfect bowl of comfort.
Ingredients and Preparation
To get that vibrant green and gold hue seen in the pot, quality ingredients are key. Here is what you will need:
The Fresh List
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3 Large Leeks: Use the white and light green parts only. Ensure they are cleaned thoroughly of any grit.
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2 lbs (1kg) Potatoes: Yukon Golds are best for a creamy texture, but Russets work if you want the soup to “break down” more naturally.
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4 Cups Broth: Low-sodium chicken or vegetable stock.
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3 Cloves Garlic: Minced or smashed.
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2 Tablespoons Salted Butter: To add richness.
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1 Teaspoon Dried Thyme: Or two sprigs of fresh thyme.
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Salt and Black Pepper: To taste (be generous with the pepper, as seen in the photo).
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Optional: 1/2 cup heavy cream or sour cream for the finish.
