Easy Instant Pot Vegetarian Chowder

Featured in Delicious Dinner Inspirations.

Creamy vegetarian corn chowder made in the Instant Pot. Takes 45 minutes total. Perfect comfort food using fresh or frozen corn.
Casey
Updated on Mon, 17 Feb 2025 19:16:33 GMT
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Easy Instant Pot Vegetarian Corn Chowder Recipe | cookingwithcasey.com

Standing in my kitchen on a late summer evening, surrounded by fresh corn from the farmer's market while my Instant Pot heats up, I'm reminded of how this recipe was born - from a desperate need to use up too much corn and a craving for something creamy and comforting that didn't rely on bacon for flavor.

Essential Elements

  • Fresh Corn: When possible
  • Good Potatoes: Red ones hold their shape
  • Real Cream: No substitutes
  • Fresh Celery: For that base note
  • Patience: Your secret ingredient
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Instant Pot Vegetarian Corn Chowder Recipe | cookingwithcasey.com

The Base Build

Start with butter and onions - I learned this through trial and error after trying to shortcut this step. That first time I dumped everything in at once taught me that building flavor layers matters, even in a pressure cooker. Now I know better - let those onions get soft and sweet before adding anything else.

Creating Magic

After probably twenty batches of this chowder, watching it evolve from simple soup to something that makes people forget about bacon, I've learned that the real secret lies in understanding how your Instant Pot builds pressure - those precious minutes before the countdown starts are actually crucial for flavor development.

The Pressure Dance

Here's what I've discovered through much delicious trial and error:

Let onions really soften first

Scrape up every browned bit

Don't skip the natural release

Give cornstarch time to work

Add cream at the very end

My vegetarian daughter brought her new boyfriend over last week - he took one bite, looked surprised, and said "This doesn't taste healthy at all!" Sometimes the best compliments come in strange packages.

Playing With Texture

Through endless experiments:

More blending makes it silkier

Leave chunks for rustic feel

Potatoes thicken naturally

Fresh corn adds more texture

Frozen works in winter

Last month, when fresh corn was at its peak, I made a double batch and froze half - turns out this chowder actually freezes beautifully if you add the cream after thawing.

Playing With Traditions

Listen, I've made this chowder so many times now that I've figured out all sorts of variations based on what's in my fridge and who's coming to dinner:

Sometimes I throw in carrots

Red peppers add beautiful color

A handful of spinach at the end

Different herb combinations

Extra garlic never hurts

Perfect Pairings

Through much tasty experimentation:

Crusty sourdough is essential

Fresh chives on top

Hot sauce on the side

Green salad for balance

Good bread for dunking

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Instant Pot Vegetarian Corn Chowder | cookingwithcasey.com

Storage Wisdom

Real talk about leftovers:

Gets thicker overnight

Thin with broth when reheating

Freezes surprisingly well

Add fresh herbs when serving

Keeps for about five days

Perfect Ending

This corn chowder has become more than just soup - it's my solution to summer corn overload, my go-to when vegetarians come for dinner, and the thing that convinced my meat-loving husband that not every soup needs bacon.

Whether you're making it to use up farmers market corn or craving comfort food in the middle of winter, remember that good chowder comes from patience. Let those onions soften properly, give the pressure cooker time to do its thing, and never rush adding the cream.

And always have extra bread ready - because that last bit of chowder in the bowl begs to be soaked up.

Frequently Asked Questions

→ Can I use frozen corn?
Yes, substitute 6 cups frozen corn for 8 ears of fresh corn.
→ How can I make it smoother?
Use an immersion blender to achieve desired smoothness.
→ Can I make it dairy-free?
Substitute coconut milk and cream for dairy versions.
→ Why natural release?
10-minute natural release prevents soup from sputtering through valve.
→ Can I make it thicker?
Add more cornstarch slurry or blend more of the potatoes for thicker consistency.

Creamy Instant Pot Corn Chowder

Rich and creamy vegetarian corn chowder made quick and easy in the Instant Pot with fresh or frozen corn and potatoes.

Prep Time
15 Minutes
Cook Time
30 Minutes
Total Time
45 Minutes
By: Casey

Category: Dinner Delights

Difficulty: Intermediate

Cuisine: American

Yield: 6 Servings (6 servings)

Dietary: Vegetarian, Gluten-Free

Ingredients

→ Main Ingredients

01 2 tablespoons butter
02 1 yellow onion
03 1 1/2 pounds red potatoes
04 8 ears of fresh corn (or 6 cups frozen corn)
05 2 stalks of celery
06 6 cups vegetable broth

→ Thickening and Seasoning

07 4 tablespoons cornstarch
08 1 teaspoon salt
09 1 teaspoon dried thyme

→ Dairy

10 1 cup whole milk
11 1/2 cup heavy cream

Instructions

Step 01

Roughly chop onion, cut potatoes into medium chunks, slice celery thinly, and cut corn kernels off cob if using fresh corn.

Step 02

Set Instant Pot to 'Saute' on Normal. Melt butter, saute onion for 2 minutes, add celery and saute 2 more minutes, scraping any browned bits.

Step 03

Reserve 1/4 cup broth, add remaining broth, potatoes, and corn to pot. Pressure cook on High for 5 minutes. Natural release for 10 minutes.

Step 04

Turn on Saute. Mix cornstarch with reserved broth and add to pot with salt and thyme. Cook 2-3 minutes until thickened.

Step 05

Optional: blend to desired consistency with immersion blender. Add milk and cream, stir to combine, and serve.

Notes

  1. Can use fresh or frozen corn
  2. Adjust thickness by blending more or less
  3. Natural release prevents sputtering

Tools You'll Need

  • Instant Pot
  • Immersion blender (optional)
  • Cutting board and knife

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (milk, cream, butter)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 320
  • Total Fat: 14 g
  • Total Carbohydrate: 45 g
  • Protein: 8 g