1. Heat olive oil in a large pot over medium heat—don’t go too hot or you’ll burn the aromatics.
2. Add chopped onion and sauté for 3-4 minutes until translucent and fragrant, then add minced garlic and cook 1 minute more.
3. Add halved Brussels sprouts to the pot and cook for about 5 minutes, stirring occasionally, until bright green and starting to caramelize on the edges—this step removes bitterness.
4. Pour in vegetable broth and bring to a simmer, then reduce heat and cook 15-20 minutes until Brussels sprouts are completely tender when pierced with a fork.
5. Using an immersion blender, blend the soup until completely smooth and silky. Alternatively, carefully transfer to a regular blender in batches and puree until smooth.
6. Return soup to pot if needed, then stir in lemon zest and juice—add citrus after blending to keep flavors bright.
7. Season generously with salt and pepper to taste, then stir in heavy cream and simmer 5 minutes more to meld flavors.
8. Taste and adjust seasoning—you might want more lemon juice for brightness or salt to enhance all flavors.
9. Serve hot, drizzled with good olive oil and extra lemon zest if desired.

Nutrition Information (Per Serving):

• Calories: 185
• Carbohydrates: 14g
• Protein: 6g
• Fat: 13g
• Fiber: 6g
• Sodium: 685mg
• Vitamin C: 95mg (158% DV)
• Vitamin K: 180mcg (225% DV)
• Folate: 78mcg (20% DV)
• Antioxidants: High in glucosinolates from Brussels sprouts

This nutritious soup provides exceptional vitamin C and K while delivering anti-inflammatory compounds and satisfying fiber.

Notes:

• Don’t skip the initial sautéing of Brussels sprouts—this step is crucial for developing sweetness and eliminating bitterness
• Add lemon juice after blending to preserve bright citrus flavor
• Make sure Brussels sprouts are completely tender before blending for the smoothest texture
• Taste and adjust seasoning at the end—soups often need more salt and acid than you think

Storage Tips:

• Refrigerator: Store covered for up to 4 days—soup thickens when cold, so thin with broth when reheating
• Freezer: Freeze soup base (without cream) for up to 3 months; add fresh cream after thawing and reheating
• Make-ahead: Perfect for meal prep—flavors actually improve after sitting overnight

Serving Suggestions:

• Classic: Crusty bread and a simple green salad
• Elegant: Garnish with crispy Brussels sprouts leaves and Parmesan shavings
• Hearty: Serve with grilled cheese sandwiches for ultimate comfort
• Light: Top with a dollop of Greek yogurt and fresh herbs

Mix It Up (Recipe Variations):

Bacon Brussels Sprouts Soup: Cook chopped bacon first and use rendered fat to sauté vegetables for smoky richness

Dairy-Free Brussels Sprouts Soup: Replace heavy cream with coconut cream for tropical notes that surprisingly complement the lemon

Brussels Sprouts Soup with Parmesan: Stir in grated Parmesan just before serving and garnish with crispy sprouts leaves

Spiced Brussels Sprouts Lemon Soup: Add pinches of nutmeg and fresh thyme for warming fall flavors

What Makes This Recipe Special:

This Brussels sprouts lemon soup uses proper French cooking technique where vegetables are sautéed first to develop natural sweetness before liquid is added. The initial caramelization transforms potentially bitter Brussels sprouts into nutty, sweet vegetables, while the bright lemon finish and creamy texture create an elegant soup that converts even the most dedicated Brussels sprouts skeptics.