Emerald Leek and Potato Soup

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A vibrant green soup made with leeks and potatoes, perfect for celebrating the holiday with a comforting bowl. This irish-inspired st. patrick’s day (gluten-free, vegan) ready in about 45 minutes pairs leeks, medium potatoes, vegetable broth for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 180 calories and feeds 6, 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.

★ 4.5 (8 ratings) Prep: 15 min Cook: 30 min Serves 6 Irish cuisine 180 cal/serving
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Ingredients

Instructions

  1. Step 1: In a large pot, melt 1 tbsp butter over medium heat. Add 2 sliced leeks (white parts only) and cook for 5 minutes until softened but not browned.
  2. Step 2: Add 2 diced potatoes and 4 cups vegetable broth, bringing to a simmer. Cook uncovered for 20 minutes until potatoes are fork-tender.
  3. Step 3: Stir in 1 tsp fresh thyme, 1/2 tsp salt, and 1/4 tsp pepper. Simmer 5 more minutes, then puree with an immersion blender until smooth. Stir in 1/4 cup heavy cream and adjust seasoning.

Frequently asked questions

How long does Emerald Leek and Potato Soup take to make?

Total time is about 45 minutes (15 min prep + 30 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 Emerald Leek and Potato Soup?

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 leeks from drying out.

Can I substitute ingredients in Emerald Leek and Potato Soup?

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 Emerald Leek and Potato Soup for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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 Emerald Leek and Potato Soup gluten-free?

Yes — this recipe is tagged gluten-free, vegan based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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