Broccoli and Kale Green Soup
Introduction
Have you ever wondered if a single bowl of soup can deliver over 100% of your daily vitamin K and still taste luxuriously creamy without cream? Data from dietary surveys show leafy greens rank among the most under-consumed nutrient-dense foods, yet a blended soup combines ease, flavor, and efficiency—making broccoli and kale green soup a practical way to close that gap while satisfying comfort-food cravings.
Ingredients List
- 1 large head broccoli (about 450 g), cut into florets — substitute: cauliflower for a milder flavor or Romanesco for texture contrast.
- 4 cups tightly packed kale (about 160 g), stems removed and chopped — substitute: Swiss chard or spinach for a softer green profile.
- 1 medium yellow onion, diced — substitute: shallot for sweeter notes or leek for a subtle allium flavor.
- 2 cloves garlic, minced — substitute: 1 tsp garlic powder if fresh unavailable.
- 1 medium potato (about 200 g), peeled and cubed — adds body; swap for 1 cup cooked white beans for extra protein and creaminess.
- 4 cups low-sodium vegetable broth (or chicken broth) — substitute: water + 1 bouillon cube for pantry-friendly option.
- 1 cup unsweetened plant milk or light cream — almond or oat milk for dairy-free, or 1/2 cup Greek yogurt stirred in after blending for tang and protein.
- 2 tbsp olive oil or avocado oil — substitute: butter for richer flavor.
- 1 tsp lemon zest + 1 tbsp lemon juice — brightens the greens; swap for apple cider vinegar in small amounts.
- Salt and freshly ground black pepper, to taste.
- Optional garnishes: toasted pumpkin seeds, a drizzle of extra-virgin olive oil, grated Parmesan (or nutritional yeast for vegan), red pepper flakes, microgreens.
Timing
Preparation time: 10 minutes. Cooking time: 20 minutes. Total time: 30 minutes—about 25–40% faster than many traditional cream-based green soups that require roasting or long simmering to build depth. This streamlined method preserves nutrients and works on weeknights when efficiency matters.
Step 1: Prep and build flavor
Heat 2 tbsp olive oil in a large pot over medium heat. Add diced onion and a pinch of salt; sauté until translucent, about 4–5 minutes. Add garlic and cook 30–45 seconds until fragrant. Tip: sweat the onion rather than browning to keep the soup bright and let the greens stand out. Personalization: add a pinch of smoked paprika at this stage for a smoky undernote.
Step 2: Add potato and broth
Add cubed potato to the pot, stir to coat, and pour in 4 cups of broth. Bring to a simmer and cook for 8–10 minutes, until potatoes are tender. Actionable trick: cut potato pieces smaller for faster cooking; if using canned or pre-cooked beans, add them in the next step to warm through.
Step 3: Add broccoli and kale
Add broccoli florets and chopped kale to the simmering pot. Stir and simmer 5–7 minutes until broccoli is bright green and tender-crisp. Tip: to preserve color, avoid overcooking; bright green indicates optimal nutrient retention and visual appeal.
Step 4: Blend to creamy perfection
Remove pot from heat. Use an immersion blender to puree until smooth, or transfer in batches to a countertop blender. Add plant milk or cream gradually to reach your preferred consistency. Safety tip: when blending hot liquids in a countertop blender, vent the lid slightly and start on low to avoid pressure buildup. Personal touch: blend half the soup and leave some chunkier pieces if you enjoy textural contrast.
Step 5: Season, finish, and adjust
Stir in lemon zest and lemon juice, then season with salt and freshly ground pepper. Reheat gently if needed. Finish with a drizzle of olive oil or a swirl of yogurt. Tip: taste before adding salt—broths vary widely in sodium. Data-driven tip: low-sodium broth reduces overall sodium by roughly 30–50% compared with regular broth, improving heart-health friendliness.
Nutritional Information
Estimated per 1.5-cup serving (makes ~4 servings). Values are approximate and based on standard ingredient weights and USDA nutrient profiles.
- Calories: 160–200 kcal
- Protein: 6–9 g (higher if using beans or Greek yogurt)
- Fat: 7–9 g (largely from olive oil and optional dairy)
- Carbohydrates: 20–25 g
- Fiber: 5–7 g (supports satiety and digestive health)
- Vitamin K: >100% DV (kale and broccoli are among the richest vegetable sources)
- Vitamin C: 70–100% DV (broccoli is a strong source; exact content depends on cooking time)
- Vitamin A (as beta-carotene): significant contribution, especially from kale
- Potassium: ~600–800 mg (helps with blood pressure regulation)
Insight: swapping the potato for white beans increases protein to ~12–15 g per serving and raises fiber by 3–4 g without increasing saturated fat.
Healthier Alternatives for the Recipe
- Lower sodium: choose low-sodium broth and skip added table salt until the end. Use herbs and citrus to build flavor.
- Higher protein: add 1 cup cooked cannellini beans or blend in silken tofu; this bumps protein and makes the soup more filling.
- Lower carbohydrate: replace potato with cauliflower for similar body with ~60% fewer carbs.
- Keto-friendly: omit potato, use heavy cream and butter, and increase olive oil; serve smaller portions.
- Anti-inflammatory boost: add 1/2 tsp turmeric and a pinch of black pepper to enhance curcumin absorption, or finish with a tablespoon of ground flaxseed stirred in after blending.
- Allergy adaptations: use plant milk for dairy-free; check broth for allergens or use homemade vegetable stock.
Serving Suggestions
Serve hot with a variety of textures and flavors to elevate the bowl. Top with toasted pumpkin seeds for crunch and extra zinc; add a spoonful of Greek yogurt or a sprinkle of grated Parmesan for umami; finish with fresh lemon wedges for guests to adjust acidity. For heartier meals, serve alongside a whole-grain roll, quinoa salad, or crusty sourdough. For a light lunch, pair with a citrus-fennel salad and a cold-pressed juice. Personal recommendation: for a smoky-comfort combo, drizzle chili-infused oil and scatter crispy chickpeas on top.
Common Mistakes to Avoid
- Overcooking the greens: prolonged boiling turns the soup dull in color and taste. Solution: add greens near the end and cook just until tender.
- Skimping on acid: soups with lots of greens can taste flat without brighteners. Solution: always finish with lemon juice or a splash of vinegar.
- Using too-salty broth: packaged broths vary—taste before salting. Solution: use low-sodium broth and adjust seasoning last.
- Blending hot liquids improperly: can cause splatters or pressure bursts. Solution: vent the blender and blend in small batches or use an immersion blender safely.
- Relying solely on dairy for creaminess: this adds saturated fat. Solution: use starchy potato, beans, or silken tofu to keep creaminess plant-forward.
Storing Tips for the Recipe
Cool soup promptly: an ice-bath or shallow containers accelerate cool-down and reduce bacterial growth. Refrigerate in airtight containers for up to 4 days. Freeze in portioned containers for up to 3 months; leave a 1-inch headspace to allow expansion. Reheat gently over low–medium heat, adding a splash of water or broth if the soup has thickened. Tip: add fresh lemon or a squeeze of acidity after reheating to revive flavors that fade during storage.
Conclusion
This broccoli and kale green soup is a nutrient-dense, flexible recipe that balances speed with depth of flavor. With under 30 minutes total time, multiple healthy swap options, and simple pantry-friendly steps, it’s ideal for busy cooks seeking a green-forward meal. Try the recipe, leave a comment with your favorite swap, or tag a photo on social media to share your version—your feedback helps refine future posts and recipe variations.
FAQs
Q: Can I use frozen broccoli and kale?
A: Yes. Frozen produce works well and often retains nutrients. Reduce cooking time slightly since frozen veggies are partially cooked; add them straight to simmering broth and cook 3–5 minutes.
Q: Is it okay to omit the potato?
A: Absolutely. Omit for a lighter soup or replace with white beans or cauliflower florets for thickness and creaminess without added starch.
Q: How can I make this soup kid-friendly?
A: Blend to a very smooth consistency, reduce strong flavors (skip chili flakes, use mild broth), and add a cheesy finish like Parmesan for familiar taste. Let kids dip bread or add fun toppings like croutons.
Q: What’s the best way to boost protein without changing flavor too much?
A: Stir in a half cup of plain Greek yogurt after blending or blend in a cup of cooked white beans or silken tofu; they increase protein while keeping a neutral taste.
Q: Can I meal-prep this for the week?
A: Yes. Store individual portions in the fridge for up to 4 days or freeze portions for up to 3 months. Reheat gently and add fresh lemon to brighten flavors.
Explore related recipes for more green-soup variations—try spinach-pea soup, broccoli-cauliflower blend, or a kale-leek white bean soup—to rotate flavors while maintaining high nutrient density and seasonal variety.
Broccoli and Kale Green Soup
Silky, nutrient-rich green soup with broccoli, kale and a hint of lemon — comforting and quick to make.
Ingredients
- 1 tbsp extra-virgin olive oil
- 1 medium yellow onion, chopped
- 2 garlic cloves, minced
- 1 medium potato (about 8 oz / 225 g), peeled and diced (adds creaminess)
- 1 lb (about 450 g) broccoli florets (stems trimmed and roughly chopped)
- 4 cups loosely packed kale leaves, stems removed and chopped (about 120 g)
- 4 cups (1 L) low-sodium vegetable broth
- 1 cup (240 ml) water (or additional broth)
- 1/2 tsp kosher salt, plus more to taste
- 1/4 tsp freshly ground black pepper
- 1/4 tsp crushed red pepper flakes (optional)
- 1 tbsp lemon juice (plus extra to taste)
- 1/3 cup plain Greek yogurt or 1/3 cup canned coconut milk (for vegan option)
- Optional garnish: drizzle of olive oil, toasted pumpkin seeds, lemon zest or croutons
Instructions
- Heat the olive oil in a large pot over medium heat. Add the chopped onion and cook until translucent, about 5–6 minutes.
- Add the minced garlic and cook 30–60 seconds until fragrant, stirring so it doesn’t brown.
- Add the diced potato and pour in the vegetable broth and water. Increase heat and bring to a simmer. Cook until the potato is just tender, about 8–10 minutes.
- Stir in the broccoli florets and chopped kale. Return to a simmer and cook until the broccoli is bright green and tender, about 5–7 minutes.
- Remove the pot from heat. Use an immersion blender to puree the soup until smooth and creamy. Alternatively, carefully transfer the soup in batches to a blender and puree, then return to the pot.
- Stir in the lemon juice and Greek yogurt (or coconut milk) until fully incorporated. Season with salt, black pepper and red pepper flakes to taste.
- Warm gently over low heat if needed (do not boil if using yogurt). Adjust seasoning and acidity with more lemon juice or salt if desired.
- Ladle into bowls and garnish with a drizzle of olive oil, toasted seeds or croutons. Serve hot.
Nutrition Information
- Calories: 145 kcal
- Cholesterol: 5 mg (varies if using dairy or vegan substitute)
- Sodium: 420 mg
- Carbohydrates: 18 g
- Fiber: 6 g
- Sugar: 4 g
- Protein: 6 g






