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There’s something about a silky, puréed soup that feels both comforting and elegant. This Fennel and White Bean Soup is just that: a simple yet flavorful dish that turns a handful of pantry staples into a creamy, nourishing bowl of goodness. With its subtle anise flavor, fennel adds a fresh depth that pairs beautifully with the creaminess of white beans, all tied together with a touch of lemon for brightness. Best of all, it’s an easy, no-fuss recipe that makes for a satisfying lunch or a light starter before a hearty main.
Why You’ll Love This Fennel Soup
- Perfect for bean skeptics – The white beans are fully blended into a silky texture, making this a great way to enjoy beans for those who don’t like their texture (like my husband!).
- Naturally creamy – Blended white beans create a smooth, velvety texture without any dairy.
- Simple & budget-friendly – Made with a few wholesome ingredients, many of which you might already have.
- Flavorful & balanced – The mild sweetness of fennel, the richness of white beans, and the brightness of lemon make a perfect combination.
- Great for meal prep – It stores well and tastes even better the next day!
Key Ingredients & Benefits
- Fennel: Adds a subtle sweetness and a light licorice flavor, plus it’s great for digestion.
- White Beans: Cannellini beans or Great Northern beans work best for their creamy texture and mild flavor. They provide plant-based protein and fiber, making the soup both satisfying and nutritious.
- Onion & Garlic: The foundation for a deep, savory flavor.
- Olive Oil: Adds richness and helps bring out the flavors of the fennel and garlic. It’s also packed with heart-healthy monounsaturated fats.
- Vegetable Broth: Keeps the soup light while adding depth.
- Lemon Juice: A final squeeze balances everything with a little brightness.
Advance Prep & Storage
- Make Ahead: You can chop the fennel and onion in advance and store them in an airtight container in the fridge for up to 2 days.
- Storage: This soup keeps well in the fridge for up to 4 days and freezes beautifully for up to 3 months.
- Reheating: Warm over low heat on the stove, stirring occasionally. If the soup thickens too much, add a splash of water or broth to loosen it.
How to Make Fennel and White Bean Soup
Step 1: Sauté the Aromatics
Heat olive oil in a large pot over medium heat. Add the chopped fennel and onion, and cook until softened, about 6-8 minutes. Stir in the garlic, thyme, and red pepper flakes, and cook for another minute until fragrant.
Step 2: Simmer the Soup
Add the white beans, vegetable broth, salt, and black pepper. Bring to a gentle simmer and let the flavors meld for 20-25 minutes.
Step 3: Blend Until Smooth
Using an immersion blender, purée the soup until smooth. If using a countertop blender, blend in batches and be careful with the hot liquid.
Step 4: Finish with Lemon & Adjust Seasoning
Stir in the lemon juice and taste, adjusting seasoning as needed.
Step 5: Serve & Enjoy
Ladle into bowls, drizzle with extra olive oil, and garnish with fennel fronds and a sprinkle of lemon zest for a fresh touch.
Tips & Variations
- Add lemon juice at the last minute: If you’re not eating the soup right away, wait to add the fresh lemon juice until just before serving. The flavor is best when fresh and can lose its brightness if reheated.
- Leek Variation: Swap the fennel for leeks if they’re more affordable or available where you live. They’ll bring a mild sweetness that works beautifully with the white beans.
- Make it heartier: Add a handful of greens like spinach or kale before blending for extra nutrients.
- Spice it up: Red pepper flakes are optional, but a pinch of smoked paprika or cayenne can also add a subtle heat.
- Storage: This soup keeps well in the fridge for up to 4 days and freezes beautifully for up to 3 months.
FAQ
Canned cannellini beans or Great Northern beans work best for their creamy texture and mild flavor. If using dried beans, soak and cook them first until tender.
Yes! If you don’t have an immersion blender, carefully transfer the soup in batches to a countertop blender. Be sure to allow steam to escape while blending.
Serving Suggestions
This soup is perfect on its own or with a slice of crusty bread for dipping. It also works well as a light starter before a pasta dish or a grain-based salad.
Enjoy a comforting, creamy bowl of this simple yet flavorful Fennel and White Bean Soup!
Other Recipes to Try
Fennel and White Bean Soup
Ingredients
- 1 large fennel bulb chopped (reserve some fronds for garnish)
- 1 small onion diced
- 2 cloves garlic minced
- 2 tbsp extra virgin olive oil plus more for drizzling
- 1 can white beans (15 oz can)
- 3 cups low-sodium vegetable broth
- 1/2 tsp salt or to taste
- 1/4 tsp black pepper or to taste
- 1 tsp dried thyme or 1 tbsp fresh
- 1 pinch crushed red pepper flakes (optional)
- 2 tbsp lemon juice freshly squeezed
- 1 tsp lemon zest for garnish
Instructions
- Heat olive oil in a large pot over medium heat. Add fennel and onion; cook for 6-8 minutes until softened.
- Stir in garlic, thyme, and red pepper flakes (if using), and cook for another minute.
- Add the white beans, vegetable broth, salt, and black pepper. Bring to a gentle simmer and cook for 20-25 minutes.
- Blend the soup until smooth using an immersion blender (or carefully in batches with a countertop blender).
- Stir in lemon juice, adjust seasoning, and serve with a drizzle of olive oil and a sprinkle of lemon zest and fennel fronds.
Notes
- If making ahead, add the lemon juice just before serving. The flavor is best when fresh and can lose its brightness if reheated.
- For a variation, swap fennel for leeks for a slightly sweeter, milder flavor.
One of my sneaky ways to add beans to my husband’s diet! He loves it!
I am not a big fan of beans, so I was skeptical of this recipe. If you have never tried it, you absolutely must. It has immediately become a top five favorite for me… creamy, great spice flavors, unlike any other soup I have ever had! Delicious!
Yummy. That sounds like just the right type of soup for this rainy weekend. Thank you for sharing it.
Thanks, Nina! Enjoy your weekend!
It was my first time using a fennel bulb in a recipe. It won’t be my last. This soup was delicious and I will be making it again.
Thank you, Jean. I’m so glad you liked it!