Indulge in a comforting bowl of Wild Mushroom, Caramelized Onion, and Kale Soup, a delightful blend of earthy mushrooms, sweet caramelized onions, and nutritious kale. This soup is not only packed with flavor but also brims with health benefits, making it the perfect choice for those chilly days when warmth is essential. As the season transitions, there’s nothing better than a hearty bowl to nourish your body and soul.

Ingredients
- 2 tablespoons olive oil
- 1 large onion, thinly sliced
- 3 cloves garlic, minced
- 8 oz wild mushrooms (such as cremini, shiitake, or oyster), sliced
- 4 cups vegetable or chicken broth
- 1 bunch kale, stems removed and leaves chopped
- 1 teaspoon dried thyme
- Salt and pepper to taste
- 1/2 cup heavy cream (optional)
Instructions
Begin your journey to a rich and savory soup by first caramelizing the onions. In a large pot, heat the olive oil over medium-low heat. Once the oil is hot, add the thinly sliced onions. Stir occasionally and allow the onions to slowly cook for about 20 to 25 minutes. Your goal is to achieve a golden brown color and a sweet, savory aroma as they caramelize beautifully.
Once your onions are perfectly caramelized, it’s time to introduce the aromatic elements. Incorporate the minced garlic into the pot, cooking it for about 1 to 2 minutes until it releases its fragrant essence. Next, add your selection of wild mushrooms to the mix; make sure they are sliced to your desired thickness. Sauté them for approximately 5 to 7 minutes, allowing them to become tender and beautifully browned.
Now, let’s create that flavorful base by adding the broth. Carefully pour in either the vegetable or chicken broth while scraping up any caramelized bits from the bottom of the pot. This step helps to infuse the broth with extra flavor from the onions and mushrooms. Bring the mixture to a gentle simmer, which will only enhance the comforting qualities of your soup.
It’s time to incorporate the kale! Add the chopped kale leaves and the dried thyme to the simmering broth, stirring gently. Season the soup with salt and pepper to taste, allowing the flavors to meld together. Let this simmer for an additional 10 to 15 minutes, until the kale is tender and wilted, achieving a delightful balance of textures.
For those wishing to indulge a bit, the final touch is to stir in the heavy cream during the last few minutes of cooking. This optional ingredient adds an element of richness and creaminess that elevates the soup to new heights.
Once everything is ready, ladle the warm soup into bowls, making sure to include pieces of mushroom, onion, and kale in each serving. Sit back, savor every spoonful, and enjoy your hearty and flavorful Wild Mushroom, Caramelized Onion, and Kale Soup!

Variations
While the classic recipe is delectable, there are numerous ways to put your own spin on this soup. Here are some variations to consider for your next cook:
- Herbs: Swap out the dried thyme for fresh herbs such as parsley or rosemary for a burst of flavor.
- Greens: Instead of kale, consider using Swiss chard or spinach for a slightly different texture and taste.
- Mushroom Medley: Experiment with a blend of mushrooms; try incorporating some dried porcini mushrooms for added earthiness.
- Spice Level: Add a pinch of red pepper flakes or a dash of cayenne pepper for a spicy kick.
- Grains: Consider adding cooked grains like quinoa or barley to transform your soup into a more filling meal.
Cooking Notes
For optimal results, keep these cooking notes in mind:
- Cooking Time: The soup can be prepared in around 55 minutes, making it a quick and satisfying choice for weeknights.
- Pot Selection: A heavy-bottomed pot works best for this recipe, as it ensures even cooking and prevents burning.
- Leftovers: This soup stores well in the refrigerator for up to 3 days. To reheat, simply warm it over medium heat.
- Vegetarian Options: Ensure to use vegetable broth if you want to keep this soup strictly vegetarian.
- Prep Tools: A good chef’s knife is essential for chopping onions and mushrooms accurately.
Serving Suggestions
This soup pairs delightfully with various side options. Consider serving it with a slice of crusty bread for dipping, or a fresh side salad to complement the hearty flavors. For a touch of elegance, garnish your soup with a dollop of sour cream or crème fraîche, and a sprinkle of freshly chopped chives before serving.

Tips
- Use a mix of different wild mushrooms for a more complex flavor profile.
- Cook onions slowly to caramelize them properly; don’t rush, as this enhances their sweetness.
- Season gradually; taste and adjust the salt and pepper as you go.
- For a vegan version, substitute the heavy cream with coconut cream or omit it altogether.
- Add parmesan cheese for richness if you’re not strictly vegetarian.
Prep Time, Cook Time, Total Time
Prep Time: 15 minutes
Cook Time: 40 minutes
Total Time: 55 minutes
Nutritional Information
Calories: 250
Protein: 6g
Sodium: 900mg
FAQs
1. Can I use dried mushrooms instead of fresh?
Yes, dried mushrooms can be rehydrated in warm water before adding them to the soup, enhancing the flavor.
2. How long can I store the soup?
Store leftover soup in an airtight container in the fridge for up to 3 days.
3. Can I freeze this soup?
Absolutely! This soup freezes well. Just ensure it’s cooled completely before transferring it to freezer-safe containers.
4. Is this soup gluten-free?
Yes, as long as you use gluten-free broth, this soup can be enjoyed by those with gluten sensitivities.
5. What’s the best way to reheat the soup?
Reheat on the stovetop over medium heat, stirring occasionally until warmed through.
Conclusion
The Wild Mushroom, Caramelized Onion, and Kale Soup is a heartwarming dish that’s not only easy to make but also deeply satisfying. Its rich blend of flavors makes it perfect for any time of year, whether you’re seeking comfort food during winter’s chill or a lighter meal in the warmer months. By incorporating fresh vegetables and a variety of mushrooms, you harness the natural ingredients’ wonderful properties, delivering nutrition with every bite.
We hope you give this soup a try and enjoy it as much as we do. If you’ve made this recipe, please share your thoughts in the comments below! We’d love to hear how it turned out for you or any variations you tried. Don’t forget to share this recipe with friends and family who love cozy meals. Happy cooking!
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Wild Mushroom, Caramelized Onion, and Kale Soup
- Total Time: 55 minutes
- Yield: 6 servings 1x
Description
A comforting bowl of Wild Mushroom, Caramelized Onion, and Kale Soup, perfect for chilly days.
Ingredients
- 2 tablespoons olive oil
- 1 large onion, thinly sliced
- 3 cloves garlic, minced
- 8 oz wild mushrooms (such as cremini, shiitake, or oyster), sliced
- 4 cups vegetable or chicken broth
- 1 bunch kale, stems removed and leaves chopped
- 1 teaspoon dried thyme
- Salt and pepper to taste
- 1/2 cup heavy cream (optional)
Instructions
- In a large pot, heat the olive oil over medium-low heat. Add the sliced onions and cook for 20 to 25 minutes until golden brown.
- Add garlic and cook for 1 to 2 minutes until fragrant.
- Add the sliced wild mushrooms and sauté for 5 to 7 minutes until tender.
- Pour in the broth, scraping the pot to add flavor. Bring to a gentle simmer.
- Add kale and thyme, season with salt and pepper, and simmer for an additional 10 to 15 minutes until the kale is tender.
- If using, stir in heavy cream during the last few minutes of cooking.
- Ladle soup into bowls and enjoy!
Notes
This soup is perfect for storing in the fridge for up to 3 days and freezes well.
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Category: Soup
Nutrition
- Calories: 250 kcal
- Sodium: 900 mg
- Protein: 6 g