Creamy Root Vegetable Soup

Featured in Comforting Soups & Hearty Stews.

Sauté softened leeks in butter, toss in parsnips with seasonings, simmer until soft, puree with parsley, squeeze in lemon at the end.

A chef holding a plate of food.
Updated on Tue, 15 Apr 2025 20:53:35 GMT
A cozy bowl of creamy soup sprinkled with fresh herbs and drizzled with oil, served on a rustic wooden tray. Pin it
A cozy bowl of creamy soup sprinkled with fresh herbs and drizzled with oil, served on a rustic wooden tray. | linacooks.com

I stumbled upon this parsnip soup idea during a cold spell when my backyard plot yielded way too many parsnips. Something truly wonderful happens when you combine those sweet oven-roasted root veggies with soft, buttery leeks. Everyone wants to know how I make it, especially when they notice that gorgeous creamy texture topped with bright green parsley sprigs.

What Makes This So Good

Parsnips bring a natural sweetness that works amazingly with the gentle flavor of leeks, and the fresh parsley adds just the punch it needs. You won't believe how easy it is to make, yet it tastes like you spent hours in the kitchen. It's exactly what you need on cold evenings when you want comfort food, or when guests drop by and you need to wow them without much work.

Grab These Items

  • From The Garden: Pick out sturdy parsnips and fat leeks—go for the freshest you can find for maximum sweetness.
  • Green Stuff: Get a hefty bunch of parsley—it'll transform both the flavor and look of your soup.
  • From Your Pantry: Quality butter, heavy cream, and whatever stock or broth you prefer.
  • Flavor Boosters: Some sea salt, black pepper, and maybe a touch of nutmeg if you're feeling adventurous.

Cooking Steps

Get Veggies Ready
Wash leeks thoroughly—they're notorious for hiding dirt. Cut parsnips into chunks after peeling, and don't forget to take out any hard cores.
Create Your Foundation
Drop butter into your largest pot, then cook those leeks until they're soft and smell amazing.
Put It All Together
Throw in parsnips with your stock and let everything bubble away until you can easily stick a fork through the parsnips.
Blend Until Velvety
Add your fresh parsley, whiz everything until completely smooth, then pour in cream and mix until it looks just right.

Chef's Notes

Don't skip checking parsnips for those tough middle bits—they'll ruin your silky soup. Watch those leeks carefully; you want them tender, not burnt. Don't even think about using dried parsley here—it just won't cut it. And if you're using a standard blender, don't fill it too full—hot soup can explode up and make a huge mess.

Serving Ideas

This soup practically demands a nice piece of crusty bread for dipping. We love pairing it with fresh-baked Irish soda bread, especially near St. Patrick's Day. Throw in a simple salad or some roasted veggies if you want something more substantial. My kids love it as their first course, but it's filling enough to stand alone too.

A black bowl of creamy soup topped with green onions, cilantro, and a drizzle of olive oil, alongside fresh parsnips and green onions. Pin it
A black bowl of creamy soup topped with green onions, cilantro, and a drizzle of olive oil, alongside fresh parsnips and green onions. | linacooks.com

Storing Leftovers

Stick any extra soup in an airtight container in your fridge—it'll stay good for about 3 days. When it's time to eat it again, heat it slowly on low, giving it a stir now and then. Don't rush with high heat—you'll just mess up all that lovely creaminess we worked for.

Try These Twists

You can throw in some celeriac or carrots instead of some parsnips—each veggie brings its own kind of sweetness. I sometimes swap spinach for parsley when I want something a bit milder. Go with a lighter broth if you don't want it so rich, or try using coconut milk for a completely different but still creamy version.

A bowl of creamy green soup topped with crispy bacon bits, drizzled with olive oil and garnished with fresh herbs, served alongside slices of bread. Pin it
A bowl of creamy green soup topped with crispy bacon bits, drizzled with olive oil and garnished with fresh herbs, served alongside slices of bread. | linacooks.com

Fancy Upgrades

Just a tiny bit of nutmeg or some fresh thyme sprigs can change the whole vibe of this soup. Try adding a dollop of crème fraîche or thick Greek yogurt on top for extra luxury. My hubby can't get enough of it with crunchy bacon pieces scattered over his bowl, but I prefer some lightly toasted pine nuts on mine. Do whatever makes you happy—that's the best part about cooking at home.

Frequently Asked Questions

→ What's the best way to wash leeks?

Cut them open lengthwise, then rinse thoroughly between the layers where dirt might hide.

→ Do I need to remove parsnip cores?

If they're from late harvest and feel tough or woody when cutting, it's best to cut the cores out.

→ Can I prepare this soup in advance?

Absolutely! It stores in the fridge 3-4 days. You might need to add a little liquid when warming it up.

→ Why add lemon zest separately?

Cooking with zest infuses a gentle flavor, while squeezing fresh juice at the end adds brightness that isn't bitter.

→ Can I use a regular blender?

Sure! An immersion blender is just more convenient. If using a stand blender, divide the soup into smaller portions to avoid spills.

Conclusion

This rich and cozy dish turns humble root veggies into a silky bowl of comfort. Tender leeks and parsnips are blended into a creamy soup, making it a wonderful choice for chilly days.

Creamy Vegetable Soup

Smooth and creamy soup made from parsnips and leeks, brightened up with a splash of lemon and fresh parsley. Great for crisp evenings.

Prep Time
10 Minutes
Cook Time
45 Minutes
Total Time
55 Minutes
By: Paolina

Category: Soups & Stews

Difficulty: Intermediate

Cuisine: European

Yield: 6 Servings (6 servings)

Dietary: Vegetarian, Gluten-Free

Ingredients

01 3 leeks, sliced only the light green and white bits.
02 2 cups of freshly chopped parsley.
03 1-2 teaspoons of kosher salt.
04 1.5 to 2 lbs of parsnips, peeled and diced.
05 2 lemon zest strips.
06 4 cups of vegetable or chicken broth.
07 A couple of tablespoons of butter.
08 1 tablespoon of fresh lemon juice.
09 Some black pepper, as much as you want.
10 2 cups water.
11 2 tablespoons of olive oil, extra for drizzling.

Instructions

Step 01

Melt butter, toss in leeks, and let them cook slowly (don’t let them turn golden). Keep the lid on.

Step 02

Throw in parsnips, salt, oil, water, broth, and lemon zest. Cover it up and let it cook for about half an hour until everything’s nice and soft.

Step 03

Take out the zest—mix in the parsley—and puree everything smooth. Use either a handheld blender or do small amounts in a regular blender.

Step 04

Squeeze in lemon juice and taste to see if it needs anything else. Top it off with herbs, oil, and a sprinkle of pepper.

Notes

  1. Cut out tough cores from parsnips if any are present.
  2. Rinse the leeks well under layers to get rid of dirt.
  3. Work in small portions if you’re blending with a countertop blender.

Tools You'll Need

  • A big pot.
  • Either an immersion or standard blender.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 220
  • Total Fat: 8 g
  • Total Carbohydrate: 35 g
  • Protein: 4 g