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Easy Slow Cooker Sweet Potato Soup Recipe (Serves 4-5)

After sharing my stovetop sweet potato soup recipe, a reader suggested this slow cooker version. I gave it a try, and it turned out incredibly flavorful and hands-off. As a home cook who's tested countless slow cooker meals, I can vouch for its delicious results. Here's the recipe for this comforting soup.

Ingredients for Slow Cooker Sweet Potato Soup (Serves 4-5)

  • 2 large onions
  • 4 cloves of garlic
  • 3 sweet potatoes
  • 2 winter carrots
  • 1 red (pointed) pepper
  • 1 red pepper
  • A handful of parsley
  • 1 liter stock
  • Salt and pepper to taste

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How to Make Slow Cooker Sweet Potato Soup

For deeper flavor, I recommend a quick sauté first, though you can skip it and add everything directly to the slow cooker.

  • Chop the onions
  • Crush the garlic
  • Halve the pointed pepper, remove seeds, and slice into strips
  • Briefly sauté the onions, pointed pepper, and garlic in a pan
  • Meanwhile, dice the sweet potatoes and carrots
  • Cut the bell pepper into pieces
  • Add the carrots, sweet potatoes, and bell pepper to the pan; stir-fry for a few minutes
  • Transfer everything to the slow cooker, add stock and chopped parsley
  • Cook on low for 5 hours
  • Blend with an immersion blender until smooth

Enjoy your hearty meal! For extra flair, top with fresh cilantro.

We had leftovers for lunch the next day—it tasted even better after thickening overnight. Just stir in a splash of boiled water if needed. This aligns with my approach to healthy, budget-friendly cooking: repurposing leftovers saves time and money.

Sweet Potato Soup Variations

This base recipe is versatile. Stir in a can of coconut milk and fresh basil for a Thai twist, or top with crispy bacon strips for richness.

No time to chop? Grab a pre-prepped veggie kit from the supermarket and dive right in.