Pacific Northwest Rainy Day Mushroom & Leek Soup

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A comforting, earthy soup featuring locally foraged mushrooms and leeks, perfect for drizzly Redmond afternoons. This pacific northwest-inspired soups ready in about 55 minutes pairs cremini mushrooms, medium leeks, medium onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 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. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 20 min Cook: 35 min Serves 4 Pacific Northwest cuisine 320 cal/serving
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Ingredients

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Instructions

  1. Step 1: Trim leeks, slice into 1/4-inch rings, and rinse thoroughly under cold water to remove grit; dice onion into 1/4-inch cubes and mince garlic cloves.
  2. Step 2: Melt 1 tbsp butter and 1 tbsp olive oil in a large pot over medium heat; add leeks, onion, and 1/4 tsp salt, cooking for 8 minutes until softened and translucent, stirring occasionally.
  3. Step 3: Add mushrooms, thyme, and remaining 1/4 tsp salt, cooking for 6 minutes until mushrooms release liquid and begin to brown slightly.
  4. Step 4: Whisk in 3 tbsp flour until no lumps remain, then gradually pour in 2 cups chicken stock while whisking constantly until smooth.
  5. Step 5: Bring to a gentle simmer, add remaining 2 cups chicken stock, and cook uncovered for 15 minutes until flavors meld and soup thickens slightly.
  6. Step 6: Stir in heavy cream and simmer for 3 more minutes until heated through but not boiling; season with black pepper to taste.

Frequently asked questions

How long does Pacific Northwest Rainy Day Mushroom & Leek Soup take to make?

Total time is about 55 minutes (20 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 Pacific Northwest Rainy Day Mushroom & Leek 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 cremini mushrooms from drying out.

Can I substitute ingredients in Pacific Northwest Rainy Day Mushroom & Leek 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 Pacific Northwest Rainy Day Mushroom & Leek Soup 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.

What goes well with Pacific Northwest Rainy Day Mushroom & Leek Soup?

Pacific Northwest soups like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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