Instant Pot Acorn Squash Soup with Coconut Milk

A silky, naturally sweet acorn squash soup infused with warm spices and brightened by apple and ginger. Cooked entirely in the Instant Pot using the trivet method, the squash steams above a fragrant broth base while vegetables soften below, then everything blends into velvety comfort. The coconut milk adds richness and subtle nuttiness that complements the cinnamon and nutmeg. This is ideal for home cooks seeking a weeknight vegetarian main or elegant starter that feels restaurant-quality but requires minimal hands-on time. Serve it in autumn or early winter when acorn squash peaks. This version bypasses roasting in favor of pressure cooking, delivering faster results without sacrificing depth of flavor, making it perfect for meal prep or entertaining on a time crunch.
Ingredients
- 1 large carrot, cut into chunks
- 1 large Granny Smith apple, cored, peeled, and diced
- ¼ cup white onion, cut into chunks
- ½ teaspoon ground gingerfresh ginger1 teaspoon ground = 1 tablespoon mincedspice
chop fine or blend with soup; fresher bite
Full guide → - ½ teaspoon ground cinnamon
- ½ teaspoon ground nutmeg(optional)
- 2 ½ cup low sodium vegetable broth
- 2 large acorn squash, cut in half
- ½ cup full-fat coconut milkheavy cream or half-and-half1:1dairy
2
- salt
- black pepper
Instructions
- 1
Add chopped carrot, apple, onion, ginger, cinnamon, nutmeg, salt, and broth to the Instant Pot liner.
- 2
Set the trivet in the pot and place acorn squash halves on top.
- 3
Close the lid, set valve to sealing, and press manual pressure cook button for 5 minutes.
- 4
Allow natural release for 10 minutes, then release remaining pressure.
- 5
Remove squash and trivet with tongs and let cool about 10 minutes.
- 6
Scoop out and discard squash seeds, then scoop flesh back into the liner.
- 7
Blend soup with immersion blender to desired consistency.
- 8
Stir in coconut milk and serve.
Tips
The trivet-steaming method prevents the squash from sitting in broth and becoming waterlogged. This keeps flesh firm enough to scoop cleanly while the broth below develops concentrated flavor from aromatics.
Nutmeg and cinnamon can easily overpower; add gradually during blending and taste before serving. Ground spices intensify over time, so season conservatively if making ahead.
For silkier texture, blend longer; for more rustic consistency, pulse briefly. Coconut milk lightens color and rounds spice heat without diluting flavor like cream would.
Good to Know
Refrigerate up to 5 days in airtight container. Freeze up to 3 months; thaw overnight in fridge or reheat from frozen on stovetop.
Make through blending step, cool, refrigerate. Stir in coconut milk just before serving to prevent separation and maintain texture.
Ladle into bowls. Top with toasted pumpkin seeds, crispy sage, yogurt drizzle, or croutons. Pair with crusty bread or a green salad.
Common Mistakes
Skip the trivet and the squash will absorb excess liquid, diluting broth and creating watery soup; use trivet to steam squash above broth.
Don't let squash cool before scooping; burn-prone skin and flesh separates poorly; wait 10 minutes until it firms up slightly.
Over-blend if you prefer texture; over-processing creates gluey consistency from starch release; pulse to desired consistency and stop.
Substitutions
Dairy-Free Swaps
2
General Alternatives
chop fine or blend with soup; fresher bite
Full guide →FAQ
Can I make this soup ahead and freeze it?
Yes, freeze through the blending step for up to 3 months in airtight containers or freezer bags. Thaw overnight in the fridge and reheat on the stovetop. Add coconut milk after thawing to preserve texture and prevent separation during storage.
What if I don't have an Instant Pot?
Roast squash halves at 190°C for 30-40 minutes until tender, then scoop flesh. Simmer carrot, apple, onion, and spices in broth separately for 15 minutes, then blend with squash. The flavor develops similarly, though hands-on time increases.
How long does this soup keep in the refrigerator?
Store in airtight containers for up to 5 days. If separated, stir well before reheating. Reheats gently on the stovetop over low heat, stirring occasionally. Avoid microwaving, which can cause curdling of the coconut milk.