Big Green Immunity-Boosting Vegetable Soup

Featured in: Everyday Easy Dishes

This vibrant green soup combines spinach, asparagus, broccoli, and soaked cashews to create a silky, creamy texture that's both nourishing and satisfying. The cashews provide natural creaminess while adding protein and healthy fats, making each bowl deeply satisfying.

Ready in just 40 minutes, this soup simmers vegetables until tender before blending until completely smooth. A touch of lemon juice brightens the flavors while nutmeg adds warmth. Perfect for meal prep and freezes beautifully for busy weeks.

Updated on Tue, 27 Jan 2026 08:33:00 GMT
Creamy green Big Green Immunity-Boosting Vegetable Soup with spinach and broccoli, blended silky smooth and served in a rustic bowl. Pin It
Creamy green Big Green Immunity-Boosting Vegetable Soup with spinach and broccoli, blended silky smooth and served in a rustic bowl. | fordish.com

There's something almost magical about watching a pot of ordinary green vegetables transform into something silky and vibrant enough to make you feel instantly healthier. I discovered this soup on a grey February afternoon when my immune system felt as tired as the weather, and I decided to stop buying expensive wellness drinks and just cook something real instead. The first spoonful was so unexpectedly creamy and bright that I texted my sister immediately—no garlic-heavy broth, no cream, just pure green goodness that actually tastes like something you'd want to eat.

I made this for my coworker Maya who'd been fighting a cold, bringing it in a thermos one morning, and watching her close her eyes on that first spoonful—not being polite, actually present—reminded me that food is how we show up for people sometimes. She asked for the recipe before she'd even finished the bowl, which felt like the highest compliment.

Ingredients

  • Olive oil: Start with just a tablespoon to gently build the foundation without making this heavy—it's the quiet beginning that sets the whole tone.
  • Onion, garlic, and leek: These three are your aromatic backbone, and the leek especially adds a subtle sweetness that balances the earthiness of the greens later.
  • Broccoli and asparagus: Choose pieces that are roughly the same size so they cook evenly, and don't skip trimming the woody parts of the asparagus—that matters more than you'd think.
  • Baby spinach: The tenderness is key here; regular spinach works but baby spinach wilts into the soup without leaving chewy bits.
  • Raw cashews: Soak them in hot water for exactly 15 minutes—this is non-negotiable if you want that silky texture without grittiness, and it's the secret that makes store-bought versions taste thin by comparison.
  • Vegetable broth and water: Use low-sodium broth so you control the salt and can actually taste the vegetables; the water keeps it from becoming too intense.
  • Sea salt, black pepper, and nutmeg: The nutmeg is optional but don't skip it—just a whisper transforms this from good to something you'll crave.
  • Lemon juice: This brightens everything at the end like sunlight through a window; taste first, then squeeze.

Instructions

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Warm your foundation:
Heat the olive oil in a large pot over medium heat, then add your chopped onion, minced garlic, and sliced leek. Let them soften for 4 to 5 minutes, stirring occasionally—you'll know it's right when the smell stops being sharp and becomes almost sweet.
Build with the greens:
Add your broccoli florets and asparagus pieces, giving them a good stir so they're coated in the oil and aromatics. Let them cook for about 3 minutes—this quick sauté brings out their natural sweetness before the broth goes in.
Simmer into tenderness:
Pour in your vegetable broth and water, bring everything to a boil, then lower the heat and let it bubble gently for 10 minutes. The vegetables should be tender enough to easily break with a wooden spoon but not mushy.
Add the spinach and cashews:
Stir in the drained soaked cashews and baby spinach, letting them simmer for just 2 to 3 minutes until the spinach collapses into the broth. The whole pot will turn a gorgeous dark green.
Blend until silk:
Remove from heat and use an immersion blender to puree everything into a completely smooth, creamy soup—or transfer in batches to a countertop blender if that's what you have. Either way, this is where the magic happens.
Season to life:
Stir in your salt, pepper, nutmeg if using, and lemon juice. Taste it honestly—you might want more lemon brightness or a touch more salt, and that's the moment when the soup becomes yours.
Adjust the weight:
If it's thicker than you'd like, add a splash more water or broth until it reaches that perfect spoonable consistency. This depends on your blender and how much liquid your vegetables released.
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There's a moment when you're sick or just tired, and someone puts a warm bowl in front of you that tastes like care itself—this is that soup. It stopped being about vegetables the day my neighbor asked if I'd made it again, and I realized it had become her comfort when things felt uncertain.

The Secret of Cashew Cream

Most people assume creamy soups need dairy or heavy cream, but a proper cashew base—when soaked, drained, and fully blended—creates something almost silkier than the real thing. I've converted several traditional recipe lovers just by not telling them it was dairy-free until after they've already fallen for it. The trick is treating the soaking water seriously: hot water for exactly 15 minutes softens the cashew exterior just enough that the blender can break them down into invisible smoothness without any grittiness fighting back.

Variations That Work

Once you understand the bones of this recipe, it becomes a template for whatever green vegetables you have on hand or whatever your body is asking for. I've made it with kale instead of spinach on mornings when the spinach had gone soft, and with summer zucchini when asparagus disappeared from the market. The ratio stays the same—most of your liquid should be the vegetable broth, most of your substance should be greens, and the cashews are always your secret creaming agent.

Serving and Storage Wisdom

This soup is best eaten the day you make it when the color is brightest and the flavor is sharpest, though it keeps beautifully in the refrigerator for up to three days in an airtight container. I've learned to store it without the lemon juice and squeeze it fresh when reheating—it keeps the brightness from fading into the background. Pair it with warm bread, a simple salad, or just eat it slowly on its own when you need something that feels like a hug.

  • For make-ahead ease, prepare all your vegetables the night before and store them in separate containers so assembly is just minutes of chopping and cooking.
  • If you're cooking for someone with a nut allergy, replace the cashews with unsweetened coconut milk added at the blending stage for the same creamy richness.
  • Leftovers freeze well for up to a month, though the color will fade slightly—just reheat gently with a splash of fresh broth to bring it back to life.
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Vibrant Big Green Immunity-Boosting Vegetable Soup featuring asparagus and cashews, garnished with lemon zest and a drizzle of olive oil. Pin It
Vibrant Big Green Immunity-Boosting Vegetable Soup featuring asparagus and cashews, garnished with lemon zest and a drizzle of olive oil. | fordish.com

This soup has become my answer to the question we all ask sometimes: how do I take care of myself today? Make it when you need it, share it when someone else does, and let it remind you that the most nourishing things are often simple.

Recipe FAQs

Can I make this soup nut-free?

Yes, replace the cashews with unsweetened coconut milk or silken tofu for a nut-free version. Both alternatives provide creamy texture without compromising flavor.

How long does this soup keep in the refrigerator?

Store in an airtight container for up to 4-5 days. Reheat gently on the stovetop, adding a splash of water or broth if needed to restore consistency.

Can I freeze this green soup?

Absolutely. Cool completely before transferring to freezer-safe containers. Freeze for up to 3 months. Thaw overnight in the refrigerator and reheat slowly.

What vegetables can I substitute?

Try zucchini, green peas, or kale instead of spinach. The combination works with any tender greens and cruciferous vegetables that blend well into a smooth consistency.

Do I need to soak the cashews?

Yes, soaking cashews for 15 minutes in hot water softens them, ensuring they blend completely smooth. This step is crucial for achieving the creamy, velvety texture.

Is this soup suitable for meal prep?

Perfect for meal prep. Make a batch on Sunday and portion into containers for easy lunches throughout the week. The flavors actually deepen after a day or two.

Big Green Immunity-Boosting Vegetable Soup

Creamy green soup with spinach, asparagus, broccoli, and cashews for a nutrient-dense boost.

Prep Time
15 minutes
Time to Cook
25 minutes
Overall Time
40 minutes
Recipe by Fordish Mia Harper


Skill Level Easy

Cuisine International

Result 4 Portion Size

Dietary Details Plant-Based, No Dairy, Gluten-Free

Ingredient List

Vegetables

01 1 tablespoon olive oil
02 1 medium onion, chopped
03 2 garlic cloves, minced
04 1 leek, white and light green parts, sliced
05 1 medium head broccoli, cut into florets (about 10.6 oz)
06 1 bunch asparagus, trimmed and cut into 2-inch pieces (about 8.8 oz)
07 5.3 oz baby spinach

Nuts and Dairy-Free Creaminess

01 2.8 oz raw cashews, soaked in hot water for 15 minutes and drained

Liquids

01 4.2 cups low-sodium vegetable broth
02 1 cup water, plus more as needed

Seasonings

01 1 teaspoon sea salt, or to taste
02 1/2 teaspoon ground black pepper
03 1/4 teaspoon ground nutmeg, optional
04 Juice of 1/2 lemon

Directions

Step 01

Sauté aromatics: Heat olive oil in a large pot over medium heat. Add onion, garlic, and leek; sauté for 4-5 minutes until softened and fragrant.

Step 02

Add cruciferous vegetables: Add broccoli and asparagus; cook for another 3 minutes, stirring occasionally.

Step 03

Build broth base: Pour in vegetable broth and water. Bring to a boil, then lower heat and simmer for 10 minutes until vegetables are tender.

Step 04

Incorporate greens and nuts: Add spinach and soaked cashews. Simmer for 2-3 minutes until spinach is wilted.

Step 05

Blend to creamy consistency: Remove from heat. Using an immersion blender or in batches with a countertop blender, blend the soup until completely smooth and creamy.

Step 06

Season and finish: Stir in salt, pepper, nutmeg if using, and lemon juice. Taste and adjust seasoning as needed.

Step 07

Adjust texture: If soup is too thick, add a bit more water or broth to reach desired consistency.

Step 08

Serve: Ladle into bowls and serve hot, garnished with a drizzle of olive oil or fresh lemon if desired.

Tools Needed

  • Large soup pot
  • Chef's knife
  • Cutting board
  • Immersion or countertop blender
  • Ladle

Allergy Details

Review each ingredient for allergens. Ask your doctor if you’re unsure.
  • Contains tree nuts (cashews). For nut allergies, replace cashews with coconut milk or silken tofu.
  • Verify broth labels to ensure no wheat derivatives for strict gluten-free requirements.

Nutrition Details (each serving)

Values provided for reference. Consult your medical provider with questions.
  • Energy Value: 210
  • Lipids: 10 g
  • Carbohydrates: 24 g
  • Proteins: 8 g