Quick Answer
To make pumpkin soup from scratch, roast cubes or halves of a small pie pumpkin at 400 F until tender and lightly browned.
Soften an onion and garlic in butter or olive oil, add the roasted pumpkin and about 4 cups of broth, simmer for 15 minutes, then blend until smooth and stir in a splash of cream.
Season with salt, pepper and a little nutmeg or smoked paprika. It keeps for 3 to 4 days in the fridge and freezes well.
Why Roast the Pumpkin First?
You can simmer raw pumpkin cubes straight in broth, but roasting caramelizes the natural sugars and removes some water. The soup tastes deeper and sweeter.
Roasting also makes peeling easy. Once the flesh is soft, it lifts right off the skin with a spoon.
What Do You Need?
- 1 pie pumpkin, about 3 to 4 pounds (roughly 4 cups roasted flesh)
- 1 medium onion, chopped
- 2 to 3 cloves garlic, minced
- 2 tablespoons butter or olive oil
- 4 cups vegetable or chicken broth
- 1/2 cup heavy cream or canned coconut milk
- Salt, black pepper, a pinch of nutmeg and optional smoked paprika or cumin
Use a sugar or pie pumpkin, not a big carving pumpkin. Carving pumpkins are watery and stringy, so the soup turns out thin and bland.
How Do You Make Pumpkin Soup, Step by Step?
1. Roast. Halve the pumpkin, scoop out the seeds, brush the flesh with oil and roast cut side down at 400 F for 40 to 50 minutes until a knife slides in easily.
2. Scoop. Let it cool for 10 minutes, then scoop the flesh away from the skin.
3. Build the base. Melt the butter in a large pot over medium heat. Cook the onion for about 6 to 8 minutes until soft and golden, then add the garlic for 1 minute.
4. Simmer. Add the pumpkin and broth, bring to a boil, then simmer for about 15 minutes so the flavors blend.
5. Blend. Use an immersion blender until silky. With a countertop blender, fill it only halfway, remove the center cap and cover it with a towel so steam can escape.
6. Finish. Stir in the cream, warm through without boiling, and season to taste.
How Do You Make Pumpkin Soup Thicker or Thinner?
For a thicker soup, simmer uncovered for a few extra minutes, or add a roasted potato or carrot before blending.
For a thinner soup, add warm broth a quarter cup at a time. Pumpkin soup always thickens in the fridge, so expect to loosen leftovers.
What Are Good Flavor Variations?
- Thai style: red curry paste, coconut milk, lime and cilantro.
- Apple and sage: simmer one chopped apple with the pumpkin and fry a few sage leaves for topping.
- Smoky: smoked paprika, a little chipotle and a swirl of sour cream.
- Warm spice: cinnamon, ginger and a drizzle of maple syrup.
For toppings, try roasted pumpkin seeds, croutons, crumbled bacon or a drizzle of chili oil.
Can You Use Canned Pumpkin Instead?
Yes. Two 15 ounce cans of plain pumpkin puree replace one roasted pie pumpkin. Check the label and buy pure pumpkin, not pumpkin pie filling, which already has sugar and spice.
Canned soup takes about 25 minutes total, so it is a great weeknight shortcut.
How Do You Store and Freeze Pumpkin Soup?
Cool the soup quickly, then refrigerate it in covered containers. Eat it within about 3 to 4 days.
The National Center for Home Food Preservation suggests freezing soups in rigid containers with headspace for expansion. I freeze it before adding the cream and stir the cream in after reheating, since dairy can separate.
Do not try to home can pumpkin soup. NCHFP advises against canning pumpkin in pureed or mashed form because it is too dense to heat safely in a home canner.
Is Pumpkin Soup Healthy?
Pumpkin is low in calories and rich in fiber, potassium and carotenoids that the body converts to vitamin A.
The cream adds most of the fat, so use less, switch to milk, or leave it out for a lighter bowl. A spoon of Greek yogurt on top adds creaminess with protein.
How Much Pumpkin Soup Does This Make?
This recipe makes about 6 cups, which serves four as a main course or six as a starter. It doubles easily if you have a large pot.
If you are feeding a crowd, roast two pumpkins at once on separate sheet pans and rotate them halfway through so they cook evenly.
What Mistakes Make Pumpkin Soup Bland?
- Using a carving pumpkin: the flesh is watery and has little flavor.
- Skipping the roast: boiled pumpkin tastes flat compared with caramelized.
- Underseasoning: pumpkin needs more salt than you expect. Season, taste and season again.
- No acid: a squeeze of lemon or a dash of apple cider vinegar at the end wakes up every flavor.
A final drizzle of good olive oil or brown butter just before serving adds richness and makes each bowl look finished.
Leftover roasted pumpkin seeds make the perfect crunchy garnish, so save them when you scoop the pumpkin.
Can You Cook Pumpkin Soup in a Slow Cooker?
Yes. Add peeled raw pumpkin cubes, the softened onion and garlic, and the broth to a slow cooker. Cook on low for about 6 hours or high for about 3 hours, until the pumpkin is completely soft.
Blend right in the crock with an immersion blender, then stir in the cream for the last 15 minutes. It is an easy, hands off option for busy days.
Frequently Asked Questions
Do I need to peel the pumpkin?
Not if you roast it first. Scoop the soft flesh from the skin.
Can I make it vegan?
Yes. Use olive oil, vegetable broth and coconut milk.
What goes well with pumpkin soup?
Crusty bread, a grilled cheese sandwich or a green salad.
Can I use butternut squash?
Yes. Swap it one for one for an even smoother soup.
The Bottom Line
Pumpkin soup from scratch is simple: roast a pie pumpkin, soften onion and garlic, simmer with broth, blend and finish with cream.
Roasting gives it depth, a good blender gives it a velvet texture, and a few toppings make it feel like a restaurant bowl on a chilly fall night.
