Big Green Immunity-Boosting Vegetable Soup

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This vibrant green soup combines spinach, asparagus, broccoli, and soaked cashews to create a silky, nutrient-dense bowl. The cashews provide natural creaminess without dairy, while the vegetable medley delivers essential vitamins and minerals for immune support. Ready in just 40 minutes, this nourishing soup is perfect for meal prep and freezes beautifully for future meals.

Updated on Wed, 28 Jan 2026 09:46:00 GMT
Creamy bright green Big Green Immunity-Boosting Vegetable Soup with broccoli and asparagus, served steaming in a white bowl, ready to enjoy. Pin It
Creamy bright green Big Green Immunity-Boosting Vegetable Soup with broccoli and asparagus, served steaming in a white bowl, ready to enjoy. | happysfenj.com

The first time I made this green immunity soup was during that endless winter when it seemed everyone in the house was fighting something. Steam fogged up my kitchen windows as I chopped vegetables, the steady rhythm of my knife against the cutting board becoming oddly meditative. The vibrant colors of the broccoli, spinach, and asparagus were almost defiant against the gray day outside. When the immersion blender transformed everything into silky green velvet, I remember thinking this wasn't just soup—it was liquid sunshine in a bowl.

Last February, my neighbor came down with a particularly nasty cold, so I brought over a thermos of this soup. Two days later, she was at my door with the empty container and a handwritten recipe request. We stood in my entryway laughing about how her teenagers, who typically avoid anything green, had fought over the last serving. The soup had worked its magic again, bringing warmth to more than just her immune system.

Ingredients

  • Soaked cashews: These humble nuts are the secret to the velvety texture, and I've found that soaking them in hot rather than cold water cuts the waiting time dramatically while still achieving that perfect creaminess.
  • Leek: Only discovered how much depth leeks add to this soup after accidentally grabbing one instead of green onions at the farmers market, and now I wouldn't make it any other way.
  • Lemon juice: Just that half lemon at the end brightens everything up and cuts through the richness of the cashews, making all the vegetable flavors sing in harmony.
  • Nutmeg: This optional pinch might seem strange in a green soup, but it adds this subtle warmth that complements the earthiness of the vegetables without anyone being able to identify exactly what that special something is.

Instructions

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Build the flavor base:
Heat that olive oil until it shimmers slightly, then add your chopped onion, minced garlic, and sliced leek. Youll know theyre ready when your kitchen fills with that sweet, savory aroma and they turn translucent.
Add the greens gradually:
Start with the heartier broccoli and asparagus, giving them a head start before adding the broth. The vegetables should brighten in color but still maintain some firmness.
Create the silky texture:
Once everything is tender, add your spinach and soaked cashews, watching as the spinach wilts into the soup. This is where the magic happens, so give it those few extra minutes.
Blend with patience:
If using an immersion blender, keep it submerged to avoid splattering hot soup everywhere. I learned this the hard way with a green-splattered kitchen ceiling that took days to clean.
Balance the flavors:
That final seasoning step isnt just an afterthought. Taste and adjust, noticing how salt brings out the vegetable flavors, pepper adds dimension, and lemon juice brightens everything.
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Vibrant bowl of Big Green Immunity-Boosting Vegetable Soup, blended silky with spinach, cashews, and a squeeze of lemon, garnished with olive oil. Pin It
Vibrant bowl of Big Green Immunity-Boosting Vegetable Soup, blended silky with spinach, cashews, and a squeeze of lemon, garnished with olive oil. | happysfenj.com

On a particularly hectic Tuesday last month, I found myself eating a bowl of this soup standing up at my kitchen counter between Zoom calls. As the warmth spread through me, I realized I was taking my first deep breath of the day. Something about the ritual of this soup—the chopping, simmering, blending—and then finally tasting the results centers me every time. It has become my edible version of a deep breath when life gets overwhelming.

Storing and Reheating Tips

This soup develops even deeper flavors overnight in the refrigerator, something I discovered by happy accident when I made too much one Sunday. The cashews continue to soften and release their creaminess, making day-two soup sometimes even better than the first serving. I now deliberately make extra just to have those effortless leftover meals waiting for me.

Serving Suggestions

The vibrant green color of this soup against a white bowl creates this moment of visual joy before you even take your first spoonful. I love serving it with a swirl of good olive oil that creates a golden pattern on the surface, adding both flavor and that little touch that makes people reach for their phones to capture the moment before diving in.

Variations to Try

One rainy afternoon when fresh asparagus was nowhere to be found, I substituted frozen peas and discovered an equally delicious variation that now makes regular appearances in my kitchen rotation. The beauty of this recipe is how adaptable it is to whatever green vegetables need rescuing from your crisper drawer.

  • For extra protein, stir in a cup of cooked quinoa after blending for a more substantial meal that will keep you satisfied longer.
  • If serving to spice lovers, a small jalapeño sautéed with the onions and garlic adds a gentle heat that complements the earthiness of the greens.
  • During summer months, swap half the spinach for fresh basil or mint to create a brighter, more herbaceous version perfect for warm evenings.
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Freshly blended Big Green Immunity-Boosting Vegetable Soup in a rustic pot, next to crusty bread and lemon wedges for a cozy, healthy meal. Pin It
Freshly blended Big Green Immunity-Boosting Vegetable Soup in a rustic pot, next to crusty bread and lemon wedges for a cozy, healthy meal. | happysfenj.com

This big green immunity soup has saved me from countless takeout orders on days when cooking felt impossible but nourishment was necessary. It reminds me that sometimes the most healing foods are also the most vibrant and delicious.

Recipe FAQs

Can I make this soup nut-free?

Yes, replace the cashews with unsweetened coconut milk or silken tofu. Both alternatives provide creamy texture without nuts. Adjust quantities to achieve desired consistency.

How long does this soup keep in the refrigerator?

Store in an airtight container for up to 4-5 days. The flavors actually improve over time. Reheat gently on the stovetet, adding a splash of water or broth if needed.

Can I freeze this 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?

You can swap broccoli with cauliflower, asparagus with green beans, or add zucchini. Just keep similar quantities to maintain the vibrant green color and nutritional balance.

Do I need to soak the cashews?

Yes, soaking cashews for 15 minutes in hot water softens them, ensuring they blend completely smooth. If you have a high-powered blender, 10 minutes may suffice.

How can I make this soup more filling?

Serve with crusty whole grain bread, quinoa, or add white beans when blending. You can also top with roasted chickpeas or seeds for extra protein and crunch.

Big Green Immunity-Boosting Vegetable Soup

Creamy soup with spinach, asparagus, broccoli, and cashews for immune support.

Prep Time
15 minutes
Time to Cook
25 minutes
Overall Time
40 minutes
Created by Lily Hudson


Skill Level Easy

Cuisine Type International

Makes 4 Number of Servings

Diet Preferences Vegan-Friendly, No Dairy, Gluten-Free Option

What You 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 ounces)
06 1 bunch asparagus, trimmed and cut into 2-inch pieces (about 8.8 ounces)
07 5.3 ounces baby spinach

Nuts & Dairy-Free Creaminess

01 2.8 ounces 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 0.5 teaspoon ground black pepper
03 0.25 teaspoon ground nutmeg, optional
04 Juice of 0.5 lemon

Step-by-Step

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; cook for 3 minutes, stirring occasionally.

Step 03

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

Step 04

Incorporate Greens and Cashews: 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, blend in batches using 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 to reach desired consistency.

Step 08

Serve: Serve hot, garnished with a drizzle of olive oil or extra lemon if desired.

Tools Needed

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

Allergy Details

Always check ingredients for allergens. Not sure? Ask your doctor.
  • Contains tree nuts (cashews)
  • For nut allergies, replace cashews with coconut milk or silken tofu
  • Verify vegetable broth labels to ensure no wheat derivatives for gluten-free compliance

Nutrition (per portion)

Numbers here are for information, not as health advice.
  • Caloric Value: 210
  • Fat Content: 10 g
  • Carbohydrates: 24 g
  • Protein Amount: 8 g