Roasted Parsnip Apple Soup: Silky and Warmly Spiced

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Roasted parsnip and apple soup is a pureed soup made by roasting parsnips, apple, onion, and garlic until the edges turn deep golden brown, then blending them with vegetable stock and a little cream. Roasting first is the whole point here. Boiled parsnips on their own taste washed out and a bit mineral, but 35 minutes in a hot oven brings out their natural sugars and gives the soup real backbone.

The apple isn’t just for sweetness. It softens the earthy, slightly peppery edge of the parsnip so the soup reads as balanced instead of one-note. I use a firm apple like Honeycrisp so it holds its shape through roasting without going mushy before the parsnips finish.

This is a one-sheet-pan, one-pot kind of soup. Everything roasts together, then goes into a saucepan with stock for a short simmer before you blend. It’s the kind of thing I make on a Sunday and eat off for most of the week.

A thin swirl of cream at the end takes it from good to rounded, though it’s optional if you want to keep it dairy-free.

Why You’ll Love This Recipe

• Roasting on one sheet pan builds deep flavor with minimal cleanup
• Naturally sweet from apple and caramelized parsnip, no added sugar
• Freezes well for weeks of ready-to-reheat lunches
• Easy to make dairy-free with a coconut milk swap

Ingredient Notes

• Parsnips: Choose firm, unblemished parsnips about the thickness of a carrot. Very thick ones can have a woody core, so trim that out before roasting.
• Apple: A firm variety like Honeycrisp or Granny Smith holds its shape and adds a clean tartness. Very soft apples like Red Delicious turn mushy and disappear into the roast.
• Onion: Yellow onion roasts sweeter than white. Red onion works too but mutes slightly in color once blended.
• Garlic: Roasting whole unpeeled cloves alongside the vegetables mellows the sharp bite and makes them easy to squeeze out after roasting.
• Olive oil: Use a plain, not extra-virgin, olive oil for roasting since it can take the heat without turning bitter.
• Vegetable stock: Low-sodium stock lets you control the salt at the end. Chicken stock works if you’re not keeping this vegetarian.
• Heavy cream: Adds body and rounds out the puree. Swap in full-fat coconut milk for a dairy-free version with a slight coconut note.
• Apple cider vinegar: A small splash at the end brightens the soup and keeps the sweetness from feeling flat.

Roasted Parsnip Apple Soup: Silky and Warmly Spiced

A pureed fall soup made from sheet-pan roasted parsnips, apple, onion, and garlic, blended with stock and finished with cream and thyme.

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Prep Time 15 minutes mins

Cook Time 45 minutes mins

Total Time 1 hour hr

Servings: 4 servings

Course: Soup

Cuisine: European

Calories: 286

Ingredients Method Notes

Ingredients

  

• 900 g parsnips, peeled and cut into 2 cm chunks about 4 to 5 medium parsnips
• 2 apple, cored and cut into wedges medium (about 300 g); Honeycrisp or Granny Smith
• 1 yellow onion, cut into wedges medium (about 150 g)
• 4 cloves garlic cloves, unpeeled
• 3 tbsp olive oil
• 1 tsp salt plus more to taste
• 1/2 tsp black pepper
• 1 tsp fresh thyme leaves or 1/2 tsp dried thyme
• 1/4 tsp ground nutmeg
• 4 cups vegetable stock / 960 ml; low-sodium preferred
• 1/2 cup heavy cream / 120 ml; or full-fat coconut milk for dairy-free
• 1 tbsp apple cider vinegar

Method

 

Roast the vegetables

1. Heat the oven to 200 C / 400 F and line a sheet pan measuring 33 x 46 cm / 13 x 18 inch with parchment.
2. Toss the parsnips, apple wedges, onion wedges, and garlic cloves with olive oil, salt, and pepper directly on the sheet pan. Spread everything into a single layer so it caramelizes instead of steaming.
3. Roast for 30 to 35 minutes, flipping once at the halfway point, until the parsnips are fork-tender and the edges are deep golden brown.
4. Let the garlic cool for a few minutes, then squeeze the cloves out of their skins.

Simmer and blend

1. Transfer the roasted vegetables and garlic to a 3-quart / 2.8 L saucepan. Add the vegetable stock, thyme, and nutmeg.
2. Bring to a simmer over medium heat and cook for 10 minutes to let the flavors meld.
3. Blend until smooth. If using a countertop blender, work in batches filling it only halfway each time since hot soup expands, or blend directly in the pot with an immersion blender.
4. Stir in the heavy cream and apple cider vinegar. Season with additional salt and pepper to taste.
5. Ladle into bowls and serve warm.

Notes

• Cut parsnip and apple pieces close to the same size for even roasting.
• Squeeze roasted garlic out of its skin while it's still warm.
• Fill the blender only halfway when pureeing hot soup in batches.
• Taste before adding all the vinegar, adjust to your stock's saltiness.
• Soup thickens as it cools, thin with extra stock if needed on reheating.

Tips for Success

• Cut parsnips into evenly sized 2 cm chunks so thin and thick pieces roast at the same rate.
• Roast the vegetables in a single layer without crowding so they caramelize instead of steam.
• Squeeze roasted garlic out of its skin while it’s still warm, it slips out much easier.
• Blend in batches filling the blender only halfway if using a countertop blender with hot soup.
• Taste before adding all the vinegar, some stocks and apples are already fairly acidic.

Variations

• Add a peeled, cubed sweet potato to the sheet pan for a thicker, sweeter soup.
• Stir in a spoonful of curry powder with the stock for a warmer, spiced version.
• Top with crispy sage leaves fried in butter instead of the usual cream swirl.

Storage and Reheating

Roasted parsnip and apple soup keeps in an airtight container in the fridge for 4 to 5 days. The flavor actually deepens by day two once the roasted vegetables and stock have had time to sit together.

Reheat gently on the stovetop over medium-low heat, stirring occasionally, for 5 to 7 minutes until steaming. You can also microwave individual portions in 60-second bursts, stirring between each, until hot throughout.

Freeze in portioned containers for up to 3 months. Thaw overnight in the fridge before reheating, and stir well since the cream can separate slightly on thawing.

Serving Suggestions

Serve roasted parsnip and apple soup with a thick slice of toasted sourdough or a warm baguette for dipping. A simple side salad with a sharp vinaigrette cuts through the soup’s sweetness nicely.

For toppings, I like a swirl of extra cream, a scattering of toasted pumpkin seeds, or crispy fried sage leaves like in my roasted butternut squash soup for crunch. A few cracks of black pepper on top wake the whole bowl up.

This soup eats like a full meal with bread and a salad, but it also works as a starter before roast chicken or a grilled pork chop.

FAQ

Why does my roasted parsnip and apple soup taste bland or flat?

It’s usually undercooked roasting. If the parsnips don’t get deep golden edges after 35 minutes at 200 C / 400 F, they haven’t developed enough natural sugar and the soup tastes washed out. Push the roast a bit further and finish with the splash of vinegar, which lifts flat-tasting soup more than extra salt does.

Can I use pears instead of apples in this parsnip soup?

Yes, a firm pear like Bosc works well and roasts with a similar texture to apple. It brings a softer, less tart sweetness, so add the full tablespoon of apple cider vinegar to keep the soup from tasting one-note sweet.

Can I make roasted parsnip and apple soup ahead and freeze it?

Yes, this soup freezes well for up to 3 months in portioned airtight containers. Thaw it in the fridge overnight and stir well when reheating, since the cream can separate slightly and needs a good stir to come back together.

What goes well with roasted parsnip and apple soup for a full meal?

Toasted sourdough or a warm baguette makes it a full meal, and a sharp vinaigrette salad balances the soup’s sweetness. It also works as a starter before roast chicken or a pork chop if you want something lighter before the main course.

Is roasted parsnip and apple soup gluten free, and how do I make it dairy free?

Yes, it’s naturally gluten free since there’s no flour or thickener in the recipe. For dairy free, swap the heavy cream for full-fat coconut milk in the same amount, which adds a mild coconut note but keeps the soup just as silky.

What’s the difference between parsnip soup and carrot soup?

Parsnip soup has an earthier, slightly peppery flavor compared to carrot soup’s straightforward sweetness. Roasting parsnips with apple, as in this recipe, balances that earthiness, giving a rounder flavor than a typical roasted carrot soup.

Related recipes

• this Roasted Butternut Squash Soup with Crispy Fried Sage