You’ve made carrot soup before, but you’ve never made it like this. I’m about to share the one secret ingredient that turns a simple puree into a silky, complex masterpiece. Ready to find out what it is?

This Carrot Sweet Potato Soup is the one I make when I want to impress without the stress. It’s my go-to for a cozy night in, and I’ve perfected it over years of testing. Let’s dig into what makes my version so special.
Recipe Overview
Here’s a quick look at what you’re making. It’s straightforward, but the magic is in the details we’ll cover next.
- Cuisine: American
- Category: Soup
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Servings: 4
Carrot Sweet Potato Soup Recipe

The “Upgraded” Ingredient List
PREPARATION
Notes
Enjoy your homemade Carrot Sweet Potato Soup Recipe!
Nutrition Information
The Secret Ingredient That Makes All the Difference
I discovered this trick by accident one day when my pantry was nearly empty. It’s a total game-changer for the flavor.
The secret is a tablespoon of white miso paste. You stir it in at the very end, off the heat. It adds a deep, savory undertone that makes the soup taste like it simmered for hours.
Miso brings a wonderful umami quality that makes this healthy soup feel rich and satisfying. It’s the kind of trick that makes people ask, “What is *in* this?”
Why This Method is Better (My Pro-Tips)
I used to just boil everything together, but that method lacked depth. My technique builds flavor in layers.
First, we sweat the aromatics low and slow. This coaxes out their natural sugars without any browning. It creates a sweet, fragrant base that forms the soul of the soup.
Second, we add a splash of white wine to deglaze the pot. It lifts all those tasty browned bits and adds a bright acidity. This one step makes a huge difference in the final taste.
The “Upgraded” Ingredient List
Using high-quality ingredients is key. Here’s exactly what you’ll need for the best results.
- 2 tbsp olive oil
- 1 yellow onion, chopped
- 2 cloves garlic, minced
- 1 lb carrots, peeled and chopped
- 1 large sweet potato, peeled and cubed
- 4 cups vegetable broth
- 1/4 cup dry white wine
- 1 tbsp white miso paste
- Salt and black pepper to taste
- Fresh thyme for garnish (optional)
PREPARATION
Follow these steps closely. They are designed to build maximum flavor with minimal effort. If you’re looking for another comforting meal, you should try our easy cheesy Tex-Mex taco soup that’s always a family favorite.
- Heat the olive oil in a large pot over medium heat. Add the chopped onion and cook for 5-7 minutes until it’s soft and translucent.
- Add the minced garlic and cook for another minute until fragrant. Be careful not to let it burn.
- Add the chopped carrots and sweet potato to the pot. Stir everything together to coat in the oil.
- Pour in the white wine to deglaze the pot, scraping up any bits from the bottom. Let it cook for a minute.
- Add the vegetable broth and bring the soup to a boil. Then, reduce the heat and let it simmer for 20-25 minutes, until the vegetables are very tender.
- Carefully puree the soup using an immersion blender until it’s completely smooth. You can also use a countertop blender, but work in batches and be cautious with the hot liquid.
- Take the pot off the heat. In a small bowl, mix the miso paste with a few tablespoons of the hot soup to thin it. Then, stir this mixture back into the main pot. This keeps the miso from clumping and preserves its healthy enzymes.
- Season with salt and pepper to taste. Serve hot, garnished with fresh thyme if you like.
Common Mistakes & How to Fix Them
Even great cooks can run into these issues. Here’s how to avoid them completely.
Soup is too thin: You might have added too much broth. The fix is simple. Just let it simmer uncovered for a few extra minutes to reduce and thicken. You can also add a small, peeled potato during cooking for a natural thickener.
Soup tastes bland: This usually means it needs more salt. Don’t be shy! Salt brightens all the other flavors. Add it gradually, tasting as you go, until the soup “wakes up.”
Variations for the Adventurous Cook
Once you’ve mastered the base recipe, try these fun twists. They keep this dish exciting.
For a spicy kick, add a teaspoon of harissa paste when you add the broth. It gives the soup a warm, smoky heat that is just incredible.
For a creamy, dairy-free version, stir in half a cup of canned coconut milk at the very end. It makes the texture incredibly luxurious and adds a subtle tropical note.
Nutrition Notes
This soup isn’t just delicious; it’s packed with good stuff. Here’s a quick breakdown of what you’re getting per serving.
- Calories: ~180
- Fat: 7g
- Carbohydrates: 28g
- Fiber: 6g
- Sugar: 12g
- Protein: 3g

If you’re craving something sweet after this savory soup, you’ll love our decadent salted caramel cheesecake recipe that’s perfect for special occasions.
Your Pro-Level Questions Answered
I get a lot of questions about this recipe. Here are the ones that come up most often from fellow food lovers.
Can I make this soup ahead of time?
Absolutely! This soup is a fantastic make-ahead meal. It keeps beautifully in the fridge for up to 4 days. The flavors actually get better as they sit together.
Can I freeze this carrot and sweet potato soup?
You can, but I recommend leaving out the miso paste until you reheat it. Freezing can change its flavor. Just thaw, warm the soup, and then stir in the miso at the end.
My soup is too thick. What should I do?
No problem at all. Just whisk in a little more vegetable broth or even some water until it reaches your preferred consistency. It’s an easy fix.
A Few Final Secrets
Before you go, I want to leave you with my absolute favorite serving tip. It makes the whole experience even better.
Top your bowl with a drizzle of chili oil or a sprinkle of toasted pumpkin seeds. The contrast in texture and a little bit of heat takes this from a simple soup to a restaurant-quality dish right in your own kitchen.
Now that you have all my secrets, I want to hear from you! Give this recipe a try and let me know how it turned out in the comments below. Did the miso paste blow your mind? For a quick breakfast pairing, try our simple yogurt toast recipe that’s perfect for busy mornings. Share your results and your rating!




