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Instant Pot Broccoli Cheddar Soup — Easy Weeknight Dinner

A bowl of Instant Pot Broccoli Cheddar Soup topped with melted cheese, showing a creamy Instant Pot Broccoli Soup with broccoli and carrots.

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This Instant Pot Broccoli Cheddar Soup comes together fast with almost no effort and delivers a creamy, cheesy bowl of comfort in under 30 minutes. It is loaded with tender broccoli, sweet carrots, and sharp cheddar for a cozy dinner that feels way more indulgent than the work involved.

Ingredients

Scale
  • 4 cups broccoli, finely chopped
  • 1 1/2 cups carrots, shredded or chopped very small
  • 1 onion, diced
  • 4 cups broth, or 3 cups if you want a thicker soup
  • 4 tablespoons unsalted butter
  • 2 to 3 garlic cloves, minced
  • 1/2 teaspoon sea salt
  • 1/2 teaspoon cracked black pepper
  • 1/2 teaspoon paprika
  • 2 cups half and half
  • 2 1/2 cups shredded cheddar cheese
  • 1/4 cup cornstarch
  • 1/4 cup water

Instructions

  1. Add the chopped broccoli, carrots, and onion to the inner pot of the pressure cooker. Pour in the broth, then add the butter, garlic, salt, pepper, and paprika. Stir everything together so it is evenly combined.
  2. Lock the lid in place and set the valve to sealing. Cook on high pressure for 1 minute. Once the cooking cycle finishes, carefully quick release the pressure.
  3. Stir in the half and half and shredded cheddar until the cheese melts into the soup.
  4. In a small bowl, whisk the cornstarch and water until completely smooth. Slowly pour the slurry into the soup while stirring.
  5. Switch the Instant Pot to sauté mode and cook, stirring often, until the soup thickens to your liking.
  6. Taste and adjust the seasoning if needed, then serve hot with your favorite toppings.

Notes

  • For a thicker soup: use 3 cups of broth instead of 4. You can always thin it later if needed.
  • For a smoother texture: blend part of the soup with an immersion blender, or puree a few cups in a regular blender and stir it back in.
  • For leftovers: store in the refrigerator for up to 5 days or freeze for up to 3 months in freezer-safe containers. Single portions work especially well for grab-and-go lunches.

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