Name: Creamy Chicken Leek Soup Recipe
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Ingredients: 1.5 lbs boneless, skinless chicken thighs; 3 large leeks, white and light green parts only, halved lengthwise and sliced thin; 3 tbsp unsalted butter; 2 cloves garlic, minced; 2 medium Yukon Gold potatoes, peeled and cut into 1/2-inch cubes; 6 cups low-sodium chicken broth; 1/2 cup heavy cream; 1 tsp fresh thyme leaves, plus extra for garnish; Salt and freshly ground black pepper

A bowl of this chicken leek soup is exactly what a cold evening calls for: tender shreds of chicken, sweet softened leeks, and a velvety broth that feels far more luxurious than the 45 minutes it takes. It’s a one-pot meal that works just as well for a quiet Tuesday dinner as it does for a casual weekend lunch.

The cream and potatoes do all the heavy lifting, thickening the broth into something silky without a roux. And because you use boneless chicken thighs, the meat stays juicy while the soup simmers away.

Why This Chicken Leek Soup Works

Leeks have a mellow, almost buttery sweetness that you just don’t get from onions. When you cook them low and slow in butter, they turn soft and jammy, and that flavor becomes the backbone of the whole pot.

Chicken thighs add richness without getting dry, even if the soup bubbles a little longer than planned. A splash of cream at the end pulls everything together, but the real secret is the potatoes. They release just enough starch to give the broth body without making it gluey.

Ingredients

1.5 lbs boneless, skinless chicken thighs: trim any large pieces of fat; thighs stay tender during simmering.
3 large leeks: white and light green parts only, halved lengthwise and sliced thin.
3 tbsp unsalted butter: salted butter works too, just reduce added salt.
2 cloves garlic: minced fine.
2 medium Yukon Gold potatoes: peeled and cut into 1/2-inch cubes; they help thicken the soup.
6 cups low-sodium chicken broth: homemade or store-bought; using low-sodium gives you more control over the final salt level.
1/2 cup heavy cream: adds a silky finish without weighing down the broth.
1 tsp fresh thyme leaves: plus extra for garnish; dried thyme can be used but start with half the amount.
Salt and freshly ground black pepper: season in layers as you go.

Variations / Substitutions

Chicken breast instead of thighs: use the same weight, but check the soup a little earlier because the meat can dry out if it simmers too long.
Dairy-free option: swap the butter for olive oil and replace the heavy cream with full-fat coconut milk. The flavor shifts slightly but stays rich.
Fresh herb swap: tarragon or dill brighten the soup in a different way. Add them right before serving so they keep their punch.
A little heat: stir in a pinch of red pepper flakes with the garlic for a gentle warmth.
Turn it into a meal: ladle the soup over cooked farro or egg noodles for a heartier bowl.

If you are on the lookout for another silky soup, Classic Potato Leek Soup keeps things just as comforting without the chicken.

How to Make Creamy Chicken Leek Soup

Step 1: Sauté the Leeks

Melt the 3 tbsp of butter in a large Dutch oven or heavy pot over medium heat. Once the butter stops foaming, stir in all the sliced leeks and a generous pinch of salt. Cook, stirring occasionally, for 8 to 10 minutes, until the leeks are completely soft and translucent but haven’t taken on any color.

You will notice the leeks shrink way down, and their raw sharpness disappears into a sweet, almost creamy smell. That’s when they’re ready.

Step 2: Brown the Chicken

Clear a space in the center of the pot and place the chicken thighs in a single layer. Let them sear without moving for about 3 minutes, until the underside is lightly golden. Flip and cook the other side for another 2 minutes, then transfer the chicken to a plate. It won’t be cooked through yet, and that’s fine.

The little browned bits left on the bottom of the pot are packed with flavor. They’ll dissolve into the broth in the next step, so don’t scrub them away.

Step 3: Simmer the Broth

Add the garlic and the cubed potatoes to the pot and stir for 1 minute, just until the garlic is fragrant. Pour in all 6 cups of chicken broth, add the 1 tsp of thyme, and scrape up any stuck bits with a wooden spoon. Return the seared chicken and any juices from the plate to the pot. Bring everything to a boil, then lower the heat so the soup simmers gently. Cover and cook for 15 minutes, until the potatoes can be pierced easily with a fork.

The broth will look thin at this stage, but the potatoes are releasing starch and the reduction is concentrating the flavor. Patience here makes the final soup taste like it cooked all afternoon.

Step 4: Shred the Chicken

Remove the chicken thighs with tongs and set them on a cutting board. Using two forks, shred the meat into bite-sized pieces. Return all the chicken to the pot and let the soup simmer uncovered for 5 more minutes. Taste the broth and season with salt and pepper.

The chicken absorbs some of that leek-infused liquid as it sits, so every spoonful gets a little of both. If the soup looks too thick, add a splash of broth or water until the consistency feels right.

Step 5: Stir in the Cream and Serve

Pour in the 1/2 cup of heavy cream and stir gently for about 2 minutes, just until the soup is hot all the way through. Do not let it boil after the cream goes in, or the texture can break. Ladle the soup into wide bowls and scatter a few fresh thyme leaves over the top.

The surface will look lightly speckled with green and the broth will be pale gold and glossy. Serve it steaming, with a spoon that can scoop up potato, chicken, and broth in one go.

A Few Tips for the Best Soup

Wash the leeks well after slicing. Dirt likes to hide between the layers, so swish the slices in a bowl of cold water, let the grit sink to the bottom, and lift the clean leeks out.
The soup thickens as it sits because of the potato starch, so make it a little looser than you want if you plan to eat leftovers.
A small squeeze of lemon juice right before serving brightens all the richness without tasting citrusy.
If the chicken sticks to the pot during searing, wait another minute. It releases naturally when the surface is browned enough.

Storing Leftover Soup

Refrigerate: cool the soup completely, then store in an airtight container for up to 4 days.
Reheating: warm it gently over low heat, stirring now and then. Add a splash of broth or water if it thickened too much in the fridge.

What to Serve with Chicken Leek Soup

Crusty bread is the obvious move for a reason. A thick slice of sourdough soaks up the broth and gives you something to hold onto between spoonfuls. A simple green salad dressed with a sharp vinaigrette cuts through the richness and keeps the meal from feeling heavy. For something warm, roasted Brussels sprouts with a little lemon zest echo the same earthy-sweet notes.

Frequently Asked Questions

Can I use chicken breast instead of thighs?

Yes, but check the internal temperature sooner. Chicken breast tends to dry out if it simmers too long, so pull it out as soon as it hits 165°F.

Is it possible to make this soup dairy-free?

Definitely. Use olive oil instead of butter and swap the heavy cream for full-fat coconut milk. The broth will taste a little different but still feel creamy.

Can I freeze the soup?

The base freezes fine, but dairy can separate when thawed. If you plan to freeze, hold back the cream and stir it in after reheating.

My soup feels thin. How do I thicken it without affecting the flavor?

Simmer it uncovered for a few extra minutes to reduce the liquid, or mash a few potato cubes against the side of the pot with your spoon. Both methods concentrate flavor instead of diluting it.

Do I really need to brown the chicken first?

It adds a deeper savory note you won’t get by just poaching, but if you are short on time you can skip it. The soup will still taste good, just a little lighter.