Slow-Cooker Butternut Squash Soup with Thyme

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

Creamy, velvety soup made with roasted squash and fresh thyme, ideal for chilly evenings. This american-inspired soups (vegetarian) ready in about 500 minutes pairs (peeled and cubed) butternut squash, large (chopped) onion, (minced) garlic cloves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 210 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. 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: 480 min Serves 6 American cuisine 210 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 1 tbsp olive oil in a skillet over medium heat. Sauté 1 large chopped onion and 3 minced garlic cloves for 5 minutes until softened and fragrant.
  2. Step 2: Transfer onion mixture to slow cooker, then add 2 lbs cubed butternut squash, 4 cups chicken stock, and 1 tbsp fresh thyme.
  3. Step 3: Cover and cook on low for 7-8 hours until squash is very tender.
  4. Step 4: Carefully transfer soup to blender in batches, blending until smooth. Return to slow cooker, stir in 1/4 cup heavy cream, and heat through for 5 minutes on low.

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Frequently asked questions

How long does Slow-Cooker Butternut Squash Soup with Thyme take to make?

Total time is about 500 minutes (20 min prep + 480 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 Slow-Cooker Butternut Squash Soup with 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 large (chopped) onion from drying out.

Can I substitute ingredients in Slow-Cooker Butternut Squash Soup with 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 Slow-Cooker Butternut Squash Soup with Thyme 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 Slow-Cooker Butternut Squash Soup with 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.

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