Big Green Immunity-Boosting Vegetable Soup

Featured in: Everyday Meal Ideas

This vibrant green soup combines the immune-boosting power of spinach, asparagus, and broccoli with the rich creaminess of soaked cashews. Ready in just 40 minutes, it delivers a silky texture while packing essential vitamins and minerals. Perfect for meal prep, this nourishing bowl stores beautifully and freezes well for busy weeks ahead.

Updated on Wed, 28 Jan 2026 12:28:00 GMT
A bowl of creamy Big Green Immunity-Boosting Vegetable Soup, vibrant with spinach, broccoli, and asparagus, served with a slice of crusty bread.  Save to Pinterest
A bowl of creamy Big Green Immunity-Boosting Vegetable Soup, vibrant with spinach, broccoli, and asparagus, served with a slice of crusty bread. | griddlepocket.com

The first time I made this green immunity soup, I was fighting a stubborn winter cold that refused to surrender. My kitchen counter was buried under an army of green vegetables as I sniffled and searched for something that might help my immune system. The vibrant emerald color that emerged as I blended the soup lifted my spirits before I even took the first spoonful. Surprisingly, it was the cashews that transformed what could have been just another vegetable soup into something velvety and comforting.

Last March, my neighbor caught a glimpse of this vibrant green soup cooling on my counter and practically invited herself over for lunch. We sat at my kitchen table watching spring rain tap against the window, steam rising from our bowls as we dipped crusty bread into the velvety broth. She texted me three days later asking for the recipe, claiming her husband had requested it after hearing her rave about that gorgeous green soup from next door.

Ingredients

  • Soaked cashews: These magical nuts create that silky texture without a drop of cream, and I once fooled my dairy-loving father-in-law who couldnt believe there wasnt heavy cream hiding in there.
  • Leek: The subtle sweetness of leeks provides a more complex foundation than onions alone, and I find the soup lacks depth when I skip this ingredient.
  • Asparagus: These spring stalks add a distinct earthiness that balances the milder vegetables, just be sure to snap off the woody ends before chopping.
  • Lemon juice: That final squeeze brightens everything and cuts through the richness of the cashews, making all the vegetable flavors pop on your tongue.

Instructions

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Build your flavor base:
Heat that olive oil until it shimmers, then add your onion, garlic and leek. The kitchen should fill with a sweet, savory aroma that tells you youre on the right track.
Add the sturdy greens:
Toss in the broccoli and asparagus, giving them a quick sauté to wake up their flavors before they take their broth bath. Youll notice they become a touch brighter green almost immediately.
Create your broth bath:
Pour in your liquids and let everything bubble away until the vegetables yield easily when pierced with a fork. The broth will take on a pale green hue as it extracts flavor from the vegetables.
Add the delicate ingredients:
Spinach and cashews go in just before blending, as they need minimal cooking. Watch how quickly that spinach wilts down from a mountain to practically nothing.
Transform into silk:
With your immersion blender, watch the magical transformation as everything becomes one unified, velvety mixture. Move the blender around to catch all the bits hiding at the edges of the pot.
Season to perfection:
This is where your personal touch matters most. Add salt gradually, tasting as you go, and dont skip the lemon juice which makes all the flavors sing in harmony.
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Hearty Big Green Immunity-Boosting Vegetable Soup simmering in a pot, showcasing its smooth, bright green texture and fresh herbs garnish.  Save to Pinterest
Hearty Big Green Immunity-Boosting Vegetable Soup simmering in a pot, showcasing its smooth, bright green texture and fresh herbs garnish. | griddlepocket.com

One particularly rough February, when a nasty flu had circulated through my household, I made this soup three times in two weeks. My daughter, normally suspicious of anything too green, started calling it magic soup and would wrap her hands around the warm bowl, inhaling the steam before taking small, careful sips. There was something healing about not just the nutrients, but the ritual of preparing something so vibrant and life-affirming when we all felt depleted.

Storage and Make-Ahead Tips

This soup actually improves overnight as the flavors meld together in the refrigerator. The color remains brilliantly green for about two days before gradually darkening, though the taste stays wonderful for up to four days. I often make a double batch and freeze individual portions in those silicone food storage bags, laid flat so they stack neatly in my freezer like green paperbacks waiting to be read on sick days.

Serving Suggestions

While perfectly satisfying on its own, this soup reaches new heights with thoughtful accompaniments. A swirl of coconut yogurt creates beautiful contrast against the green canvas and adds tangy complexity. For a more substantial meal, I sometimes serve small bowls alongside avocado toast or a nutty grain salad, creating a lunch that feels both nurturing and substantial enough to power through afternoon meetings.

Variations to Try

The beauty of this green template lies in its flexibility with whatever happens to be flourishing in your garden or looking particularly fresh at the market. I once made an entirely different version using kale and zucchini when asparagus wasnt in season, and the essence remained true to the original.

  • For extra detoxifying properties, add a thumb-sized piece of ginger with the garlic for a warming, spicy undertone.
  • Swap half the broccoli for green peas when spring arrives for a sweeter, more delicate flavor profile.
  • Replace the cashews with half an avocado for a different kind of creaminess if youre in a rush and forgot to soak the nuts.
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Steaming bowl of Big Green Immunity-Boosting Vegetable Soup, enriched with cashews, ready to enjoy as a cozy, healthy meal. Save to Pinterest
Steaming bowl of Big Green Immunity-Boosting Vegetable Soup, enriched with cashews, ready to enjoy as a cozy, healthy meal. | griddlepocket.com

Every time I make this soup, Im reminded that nourishing food doesnt have to be complicated to be transformative. As you ladle this vibrant green elixir into bowls, know youre serving more than just soup, youre offering a moment of nurturing comfort in liquid form.

Recipe Q&A

Can I make this soup ahead of time?

Absolutely. This soup keeps well in the refrigerator for up to 5 days and freezes beautifully for up to 3 months. Reheat gently on the stovetop, adding a splash of broth if needed to restore consistency.

What can I substitute for cashews?

Unsweetened coconut milk works well for a nut-free version, or try silken tofu for extra protein. Both alternatives maintain the creamy texture without the tree nuts.

How do I achieve the smoothest texture?

Use a high-speed immersion blender directly in the pot for 2-3 minutes. If using a countertop blender, work in batches and blend until completely silky. Straining through a fine-mesh sieve yields an ultra-smooth finish.

Can I use frozen vegetables?

Frozen spinach works perfectly, though fresh broccoli and asparagus yield better texture. If using frozen versions, reduce the initial simmering time by 2-3 minutes to prevent overcooking.

What gives this soup its bright green color?

The combination of baby spinach, asparagus, and broccoli creates the vibrant hue. Blending while hot helps preserve the color, and a splash of lemon juice at the end prevents oxidation.

Is this suitable for batch cooking?

This soup excels for meal prep. Double or triple the recipe easily—the flavor actually improves overnight as the ingredients meld together. Portion into containers for quick, nutritious lunches throughout the week.

Big Green Immunity-Boosting Vegetable Soup

A silky green blend of spinach, asparagus, broccoli, and cashews delivers a creamy, immune-supporting bowl ready in under an hour.

Prep Duration
15 minutes
Cook Duration
25 minutes
Overall Time
40 minutes
Created by Evan Sanders


Skill Level Easy

Cuisine International

Amount 4 Number of Servings

Diet Details Plant-Based, No Dairy, No Gluten

What You'll Need

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 10.5 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 33.8 fl oz low-sodium vegetable broth
02 8.5 fl oz water, plus more as needed

Seasonings

01 1 teaspoon sea salt, or to taste
02 0.5 teaspoon ground black pepper
03 0.25 teaspoon ground nutmeg, optional
04 Juice of 0.5 lemon

Directions

Step 01

Sauté Aromatics: Heat olive oil in a large pot over medium heat. Add chopped onion, minced garlic, and sliced leek. Sauté for 4 to 5 minutes until softened and fragrant.

Step 02

Add Cruciferous Vegetables: Add broccoli florets and asparagus pieces to the pot. Cook for 3 minutes, stirring occasionally.

Step 03

Build the Broth Base: Pour in vegetable broth and water. Bring to a boil, then reduce heat and simmer for 10 minutes until vegetables are just tender.

Step 04

Incorporate Greens and Nuts: Add baby spinach and soaked cashews. Simmer for 2 to 3 minutes until spinach is wilted.

Step 05

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

Step 06

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

Step 07

Adjust Consistency: If soup is too thick, add additional water or broth gradually until desired consistency is reached.

Step 08

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

Tools Needed

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

Allergy Notice

Carefully review every item for allergens and speak with a healthcare expert if needed.
  • Contains tree nuts, specifically cashews
  • For nut allergies, replace cashews with coconut milk or silken tofu
  • Verify vegetable broth packaging to confirm absence of gluten and wheat derivatives

Nutrition Information (each serving)

These figures are for reference and shouldn't replace your physician's advice.
  • Calories: 210
  • Fats: 10 g
  • Carbohydrates: 24 g
  • Proteins: 8 g