Silky Potato Leek Soup with Chives and Cream

Why You’ll Love This Recipe

• Silky-smooth, restaurant-style texture with simple home-kitchen steps.
• Comforting yet light, thanks to Yukon Gold potatoes and a touch of cream.
• Bright chive finish and optional crispy pancetta for a savory pop.
• Flexible: vegetarian-friendly and great for make-ahead or freezing (before adding cream).

Grocery List

• Produce: 3 large leeks, 2 lb Yukon Gold potatoes, fresh chives
• Dairy: Unsalted butter, heavy cream
• Pantry: Low-sodium chicken or vegetable stock, olive oil, bay leaf, kosher salt, black pepper, ground nutmeg (optional), diced pancetta (optional)

Full Ingredients

For the Soup

• 2 tbsp unsalted butter
• 1 tbsp olive oil
• 3 large leeks, white and light green parts only, thoroughly cleaned and thinly sliced (about 5–6 cups)
• 2 lb Yukon Gold potatoes, peeled and cut into 1-inch chunks
• 4 cups low-sodium chicken or vegetable stock
• 1 bay leaf
• 1 1/4 tsp kosher salt, divided, plus more to taste
• 1/4 tsp freshly ground black pepper
• Pinch ground nutmeg (optional)
• 1/2 cup heavy cream
• Up to 1 cup warm stock or water, as needed to adjust thickness

For Serving (Optional but Recommended)

• 4 oz pancetta, diced and crisped
• 2–3 tbsp finely chopped fresh chives
• Extra black pepper and a drizzle of olive oil or a trickle of cream, for finishing

Step-by-Step Instructions

Step 1: Prep the leeks and potatoes

Trim the dark green tops and root ends from the leeks, split lengthwise, and fan the layers under running water to remove grit. Slice thinly. Peel the potatoes and cut into 1-inch chunks. Set 4 cups of stock nearby.

Step 2: Crisp the pancetta (optional)

Place a 5–6 quart Dutch oven over medium heat. Add the diced pancetta and cook, stirring, until crisp and browned, 4–5 minutes. Transfer pancetta to a paper-towel-lined plate. Discard excess fat, leaving about 1 teaspoon in the pot.

Step 3: Sweat the leeks until tender

Add the butter and olive oil to the pot. When melted, add the leeks and 1/2 teaspoon kosher salt. Cook over medium heat, stirring occasionally, until the leeks are very soft and sweet but not browned, 8–10 minutes. If they start to color, reduce the heat. A pale, gentle sweat keeps the soup light and silky.

Step 4: Simmer with potatoes and stock

Stir in the potatoes, pour in the stock, and add the bay leaf and another 1/2 teaspoon kosher salt. Bring to a gentle simmer over medium-high, then reduce to maintain a steady simmer (occasional bubbles), 18–22 minutes, until the potatoes are fully tender and break apart when pierced. Remove and discard the bay leaf.

Step 5: Blend until ultra-smooth

Turn off the heat. For an immersion blender: blend directly in the pot until completely smooth and velvety, 1–3 minutes. For a countertop blender: work in batches, filling the jar no more than halfway, venting the lid, and covering with a towel to allow steam to escape. Blend until perfectly smooth, then return all soup to the pot. If too thick, stir in warm stock or water a little at a time.

Step 6: Finish with cream and season

Set the pot over low heat. Stir in the heavy cream, black pepper, and a pinch of nutmeg (if using). Taste and add the remaining 1/4 teaspoon kosher salt or more as needed. The texture should be silky and spoon-coating, not gluey. Adjust with additional warm liquid if desired.

Step 7: Garnish and serve

Ladle into warm bowls. Swirl a little cream or olive oil over the top, shower with chopped chives, and finish with the crispy pancetta and a few grinds of pepper. Serve immediately.

Pro Tips

• Clean leeks well: grit hides between layers. Slice, then swish in a bowl of cold water; lift out and drain.
• Keep it pale: avoid browning leeks so the soup stays light in color and flavor.
• Ultra-smooth texture: blend longer than you think, and pass through a fine mesh strainer for a luxe finish.
• Season in stages: a little salt while sweating leeks, a little during simmering, and finish to taste after adding cream.
• Control thickness: Yukon Golds create natural body. Thin with warm stock/water, or thicken by simmering a few extra minutes.

Variations

• Vegetarian or dairy-free: use vegetable stock; replace butter with olive oil and cream with unsweetened cashew cream or oat cream.
• Vichyssoise (chilled): chill the blended soup, stir in cream when cold, and serve with chives; ideal for warm weather.
• Herby-green: blend in a handful of baby spinach or watercress at the end for a faint green hue and fresh flavor.

Storage & Make-Ahead

Refrigerate cooled soup (without garnishes) in an airtight container up to 4 days. Reheat gently over low heat; do not boil after adding cream. For freezing, blend and cool the soup before adding cream, then freeze up to 2 months. Thaw in the fridge, reheat, and stir in cream before serving. Pancetta can be cooked 2–3 days ahead; re-crisp in a skillet briefly before topping.

Nutrition (per serving)

Approx. 280 calories; 14 g fat (7 g saturated); 33 g carbohydrates; 4 g fiber; 6 g protein; ~480 mg sodium. Optional pancetta adds about 90 calories and 7 g fat per serving.