Spring Vegetable Soup Pesto

A steaming bowl of Spring Vegetable Soup with Pesto, garnished with fresh basil and a lemon wedge. Save
A steaming bowl of Spring Vegetable Soup with Pesto, garnished with fresh basil and a lemon wedge. | flavormonk.com

This dish showcases tender spring vegetables lightly sautéed and simmered in a flavorful vegetable broth to preserve freshness. It features crisp green beans, asparagus, carrots, peas, and spinach, all enhanced by a vibrant homemade basil pesto made from pine nuts, Parmesan, garlic, and olive oil. The lemon juice adds a subtle brightness, while the gentle simmer ensures a well-balanced and comforting blend of tastes and textures. Perfect for a quick, healthy, and colorful meal that highlights seasonal produce.

Last April, my neighbor knocked on my door with an armful of vegetables from her garden. She'd planted too much again, she said, and could I possibly help her use some of it up before it bolted. I spent the afternoon chopping and simmering, and something about that bright green pot of soup felt like the first real promise of spring after a gray winter.

My sister was visiting that weekend, and we ate it on the back porch with the door open. She kept asking what I'd done differently, but it was just the vegetables themselves, sweet from the sun and barely cooked. Now every time asparagus shows up at the grocery store, I make this soup and think of that afternoon.

Ingredients

  • Olive oil: A good quality extra virgin oil forms the flavor base of your soup
  • Onion and leek: These aromatic alliums build a sweet, savory foundation
  • Garlic: Two cloves give gentle warmth without overpowering delicate spring flavors
  • Carrots and zucchini: These add sweetness and body while absorbing the broth
  • Green beans and asparagus: Tender spring vegetables that hold their shape beautifully
  • Fresh peas: Frozen work perfectly fine, but fresh peas are a revelation if you can find them
  • Baby spinach: Wilts instantly and adds another layer of vibrant green
  • Vegetable broth: Use a high quality brand you enjoy drinking on its own
  • Fresh basil: The star of your pesto, so grab the brightest bunch you can find
  • Pine nuts: Toast them lightly in a dry pan for an extra layer of flavor
  • Parmesan cheese: Adds umami depth to the pesto that balances the bright vegetables
  • Lemon juice: A squeeze at the end wakes up all the flavors

Instructions

Build your flavor foundation:
Heat olive oil in a large pot over medium heat. Add the chopped onion and sliced leek, cooking until they soften and turn translucent, about 3 to 4 minutes. You want them sweet and fragrant, not browned or caramelized.
Add the hearty vegetables:
Stir in the minced garlic, diced carrots, and zucchini. Let them cook together for another 3 minutes, stirring occasionally to prevent sticking. The kitchen should start smelling wonderful right about now.
Simmer the soup base:
Add the green beans, asparagus pieces, and bay leaf to the pot. Pour in the vegetable broth and bring everything to a gentle boil, then lower the heat, cover, and let it simmer for 15 minutes. The vegetables should be tender but still holding their shape.
Add the delicate greens:
Stir in the peas and cook for 5 more minutes, then add the spinach and cook just until it wilts, about 1 to 2 minutes. Fish out the bay leaf and season the soup with salt, pepper, and lemon juice. Taste and adjust until it sings.
Make the pesto while the soup simmers:
In a food processor, blend the basil, pine nuts, garlic, and Parmesan until finely chopped. With the motor running, slowly drizzle in the olive oil until you have a smooth, spoonable paste. Season with salt and pepper and set aside.
Bring it all together:
Ladle the hot soup into warm bowls and swirl a generous spoonful of pesto into each serving. The green ribbons will float through the broth like little clouds. Serve immediately while the steam still rises.
Spring Vegetable Soup with Pesto features vibrant green asparagus and peas swimming in a savory broth. Save
Spring Vegetable Soup with Pesto features vibrant green asparagus and peas swimming in a savory broth. | flavormonk.com

Now this soup has become my go to whenever I need to feed a crowd. Last month I made it for a book club meeting, and everyone asked for the recipe before they'd even finished their bowls. Something about that combination of tender vegetables and fragrant pesto makes people feel taken care of.

Making It Your Own

The beauty of this soup is how forgiving it is. I have swapped vegetables based on whatever looked good at the farmers market, added small pasta shapes for substance, and even stirred in white beans for protein. Once you make it a few times, you will start to understand the rhythm of it and feel confident making substitutions.

The Pesto Secret

I learned by accident that making extra pesto is never a mistake. It keeps for a week in the refrigerator and transforms scrambled eggs, roasted vegetables, or even a simple bowl of pasta. Sometimes I double the batch just so I can have it on hand for quick meals throughout the week.

Serving Suggestions

A slice of crusty bread is non negotiable for dunking into that flavorful broth. I also like to serve this with a simple green salad dressed with lemon vinaigrette and maybe some shaved Parmesan on top. A crisp white wine like Sauvignon Blanc cuts through the richness beautifully.

  • Warm your bowls before serving to keep the soup hot longer
  • Extra pesto on the side lets guests add more to taste
  • A final grind of black pepper right before serving adds a lovely aromatic finish
Top-down view of Spring Vegetable Soup with Pesto, accompanied by crusty bread and a Parmesan garnish. Save
Top-down view of Spring Vegetable Soup with Pesto, accompanied by crusty bread and a Parmesan garnish. | flavormonk.com

This is the kind of soup that makes you feel good about eating vegetables. Something about that first spoonful, with the bright pesto swirling through the tender vegetables, just feels like nourishment in the truest sense.

Recipe FAQs

It includes carrots, leek, green beans, asparagus, peas, baby spinach, zucchini, and onion, creating a fresh and diverse vegetable medley.

Fresh basil, pine nuts, garlic, Parmesan, and olive oil are blended together until smooth and seasoned with salt and pepper.

Yes, by substituting Parmesan with nutritional yeast and ensuring the pesto contains no dairy products.

A large pot for sautéing and simmering vegetables, plus a food processor or mortar and pestle to prepare the pesto.

Seasoning includes salt, freshly ground black pepper, and a squeeze of lemon juice to enhance brightness and depth.

Yes, small pasta shapes or cooked beans can be added for extra body and heartiness.

Spring Vegetable Soup Pesto

Fresh spring vegetables simmered gently and finished with aromatic basil pesto, bursting with flavor.

Prep 20m
Cook 30m
Total 50m
Servings 4
Difficulty Easy

Ingredients

Vegetables

  • 1 tablespoon olive oil
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • 2 medium carrots, diced
  • 1 small leek, white and light green parts, sliced
  • 3.5 oz green beans, trimmed and cut into 3/4 inch pieces
  • 3.5 oz asparagus, trimmed and cut into 3/4 inch pieces
  • 3.5 oz peas, fresh or frozen
  • 3.5 oz baby spinach
  • 1 medium zucchini, diced

Broth & Seasonings

  • 5 cups vegetable broth
  • 1 bay leaf
  • Salt and freshly ground black pepper, to taste
  • Juice of 1/2 lemon

Pesto

  • 1.5 oz fresh basil leaves
  • 1 oz pine nuts
  • 1 small garlic clove
  • 1.5 oz grated Parmesan cheese
  • 1/4 cup extra virgin olive oil
  • Salt and pepper, to taste

Instructions

1
Sauté Aromatics: Heat olive oil in a large pot over medium heat. Add onion and leek, and sauté for 3–4 minutes until softened but not browned.
2
Add Root Vegetables: Stir in garlic, carrots, and zucchini. Cook for another 3 minutes, stirring occasionally.
3
Simmer Soup Base: Add green beans, asparagus, and bay leaf. Pour in the vegetable broth and bring to a gentle boil. Reduce heat, cover, and simmer for 15 minutes.
4
Add Tender Vegetables: Add peas and cook for 5 minutes more, then add the spinach and cook until just wilted, about 1–2 minutes. Remove bay leaf.
5
Season Soup: Season the soup with salt, pepper, and lemon juice to taste.
6
Prepare Pesto: In a food processor, blend basil, pine nuts, garlic, and Parmesan. With the motor running, slowly add olive oil until a smooth, spoonable paste forms. Season with salt and pepper.
7
Serve: Ladle the soup into bowls and swirl a generous spoonful of pesto into each serving. Serve immediately.
Additional Information

Equipment Needed

  • Large soup pot
  • Food processor or mortar and pestle
  • Chopping board and knife
  • Ladle
  • Wooden spoon

Nutrition (Per Serving)

Calories 270
Protein 8g
Carbs 20g
Fat 17g

Allergy Information

  • Contains dairy (Parmesan cheese)
  • Contains tree nuts (pine nuts)
  • For nut allergies, substitute sunflower seeds for pine nuts in the pesto
  • For dairy allergies, use a dairy-free cheese or nutritional yeast
Rhea Kapoor

Everyday recipes and cooking tips for home cooks who love good food.