Velvety Irish Potato Leek Soup with Fresh Thyme
A smooth and comforting Irish potato leek soup enriched with fresh thyme and a touch of cream, perfect for chilly days. This irish-inspired st. patrick’s day (vegetarian) ready in about 45 minutes pairs tablespoons unsalted butter, vegetable broth, heavy cream for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 220 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart.
Ingredients
- 3 cups leeks, white and light green parts only, sliced
- 3 cups russet potatoes, peeled and diced into 1/2-inch cubes
- 3 tablespoons unsalted butter
- 4 cups vegetable broth
- 1/2 cup heavy cream
- 2 fresh thyme sprigs
- 1 teaspoon salt
- 1/2 teaspoon white pepper
- 2 tablespoons chives, finely chopped for garnish
Instructions
- Step 1: In a large pot, melt 3 tablespoons unsalted butter over medium heat. Add 3 cups sliced leeks and sauté for 7-8 minutes, stirring occasionally, until leeks are soft and fragrant but not browned.
- Step 2: Add 3 cups diced russet potatoes and stir to coat with butter and leeks for 2 minutes.
- Step 3: Pour in 4 cups vegetable broth and add 2 fresh thyme sprigs. Bring to a boil, then reduce heat to low and simmer gently for 20-25 minutes until potatoes are very tender.
- Step 4: Remove thyme sprigs and use an immersion blender to puree the soup until smooth and velvety. Alternatively, carefully transfer in batches to a blender and puree.
- Step 5: Stir in 1/2 cup heavy cream, and season with 1 teaspoon salt and 1/2 teaspoon white pepper. Warm for 5 minutes over low heat, stirring gently.
- Step 6: Ladle into bowls and garnish with 2 tablespoons finely chopped chives for a fresh finish.
Frequently asked questions
How long does Velvety Irish Potato Leek Soup with Fresh Thyme take to make?
Total time is about 45 minutes (10 min prep + 35 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Velvety Irish Potato Leek Soup with Fresh Thyme?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep tablespoons unsalted butter from drying out.
Can I substitute ingredients in Velvety Irish Potato Leek Soup with Fresh Thyme?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Velvety Irish Potato Leek Soup with Fresh Thyme for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Velvety Irish Potato Leek Soup with Fresh Thyme vegetarian?
Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
What others are saying
- ★★★★★
Loved it! So simple to make, and the leeks melted into pure comfort. My whole family devoured it.
- ★★★★★
The creaminess was divine. Made this for my parents' anniversary—it felt like a taste of Dublin!
- ★★★★★
My kids begged for seconds—the thyme made it taste so authentically Irish. Perfect for St. Patrick's Day!