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Best Easy Slow Cooker Acorn Squash Soup with Maple

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This cozy slow cooker acorn squash soup with maple is incredibly easy to make with simple ingredients. It tastes like you spent hours roasting and stirring, but the slow cooker does all the work.

Ingredients

Scale
  • 2 medium acorn squashes (about 2 pounds total), halved and seeded
  • 1 tablespoon olive oil
  • 1 medium yellow onion, roughly chopped (about 1 cup)
  • 3 cloves garlic, smashed
  • 4 cups vegetable broth (or chicken broth if not vegetarian)
  • 3 tablespoons pure maple syrup
  • 1 teaspoon salt (plus more to taste)
  • ½ teaspoon black pepper
  • ¼ teaspoon cayenne pepper (optional but highly recommended)
  • ½ cup heavy cream (or full-fat coconut milk for dairy-free version)
  • Additional heavy cream or coconut milk for drizzling (optional)
  • Toasted pumpkin seeds (pepitas) for garnish (optional)
  • Extra drizzle of maple syrup for garnish (optional)
  • Fresh thyme or sage leaves for garnish (optional)
  • Crusty bread for serving (optional)

Instructions

  1. Preheat your oven to 400°F (200°C). Carefully cut each acorn squash in half from stem to root end. Tip: microwave the whole squash for 2 minutes first to soften the skin.
  2. Scoop out the seeds and stringy bits using a large spoon.
  3. Brush the cut sides of the squash with olive oil and place them cut-side down on a baking sheet. Roast for 25-30 minutes until fork-tender and caramelized. Let cool slightly, then scoop out the flesh (about 3 to 3½ cups).
  4. Add the roasted squash to your slow cooker along with the chopped onion, smashed garlic, vegetable broth, maple syrup, salt, black pepper, and cayenne pepper if using. Stir to combine.
  5. Cover and cook on LOW for 6-7 hours or on HIGH for 3-4 hours, until the onion is tender and flavors have melded.
  6. Turn off the slow cooker and let the soup cool slightly for about 5 minutes. Using an immersion blender, blend directly in the slow cooker until completely smooth. If using a regular blender, work in batches, filling no more than halfway, and hold the lid down with a towel.
  7. Stir in the heavy cream or coconut milk. Taste and adjust seasoning with more salt, maple syrup, or cayenne as needed.
  8. Serve hot with your choice of garnishes: a swirl of cream, toasted pumpkin seeds, fresh thyme leaves, and crusty bread.

Notes

Don’t skip roasting the squash—it caramelizes the natural sugars and adds depth of flavor. For a thicker soup, simmer uncovered on the stovetop for 10-15 minutes after blending. The soup tastes even better the next day. To freeze, cool completely and store in freezer-safe containers for up to 3 months.

Nutrition

Keywords: slow cooker acorn squash soup, maple acorn squash soup, fall soup, easy squash soup, cozy soup, vegetarian soup, gluten-free soup

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