Instant Pot Broccoli Cheddar Soup

My youngest came home from school absolutely freezing one Tuesday, declaring that nothing would warm her up except "the orange soup from the cafe downtown." The instant pot was still relatively new to my kitchen counter, gathering more dust than I'd like to admit. That night became a turning point for both of us.

That first attempt wasnt perfect. I accidentally used pre-shredded cheese which turned into a gloppy mess instead of melting smoothly. Now I always block-shred my own cheddar, and my daughter still requests this soup whenever the temperature drops below fifty degrees.

Ingredients

• 4 cups broccoli florets: Fresh is best here. Frozen broccoli can become waterlogged and affect the soups final texture
• 1 medium carrot: Grated finely so it practically disappears into the soup while adding natural sweetness
• 1 small onion: Yellow onion provides the best flavor foundation without overwhelming the delicate broccoli
• 2 cloves garlic: Minced fresh. Garlic powder works in a pinch but lacks that aromatic punch
• 3 cups vegetable broth: Low sodium if possible since the cheese and butter add plenty of salt
• 2 tablespoons unsalted butter: The foundation for your roux. Salted butter works but adjust your seasoning accordingly
• 2 cups shredded sharp cheddar cheese: Block cheese you grate yourself melts infinitely better than pre-shredded
• 1 cup whole milk: The milk bridges the gap between broth and cream for perfectly silky consistency
• 1/2 cup heavy cream: This is what makes it truly luxurious. Dont skip it
• 1/4 teaspoon ground nutmeg: The unexpected secret that makes everything taste more complex
• 1/2 teaspoon paprika: Smoked paprika adds incredible depth if you want to experiment
• Salt and pepper: Add gradually at the end since cheese brings its own saltiness
• 2 tablespoons all-purpose flour: Creates the velvety texture that separates soup from pureed vegetables

Instructions

Build your flavor foundation:

Set the Instant Pot to Sauté function. Melt the butter until it foams slightly. Toss in the diced onion and cook until it turns translucent and fragrant. Add the garlic for just thirty seconds until you catch that amazing aroma.

Create the roux:

Sprinkle the flour over the onions. Stir constantly for one full minute until the flour smell cooks off and it coats everything evenly. Do not let it brown or your soup will taste dusty.

Add the liquid base:

Pour in the vegetable broth gradually while whisking. This step prevents lumps from forming. Keep whisking until the mixture is smooth and slightly thickened.

Add vegetables and season:

Toss in the broccoli florets and grated carrot. Sprinkle in the paprika, nutmeg, salt, and pepper. Give everything a good stir to distribute the spices evenly.

Pressure cook:

Seal the lid and set to Manual High Pressure for 5 minutes. The broccoli will be perfectly tender. The natural liquid from the vegetables adds body to the soup.

Release and blend:

Quick release the pressure carefully. Open the lid and use an immersion blender to reach your desired consistency. Some texture is lovely. Totally smooth is velvety.

Add the dairy magic:

Set the Instant Pot back to Sauté Low. Pour in the milk and cream while stirring constantly. Add the shredded cheese handful by handful. Let each addition melt completely before adding more.

Final seasoning:

Taste the soup. Add more salt or pepper if needed. The flavors should be bright and rich without being overwhelming. Serve immediately while hot and silky smooth.

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Last winter my neighbor texted me at midnight asking for the recipe. Her husband had tasted it at our potluck and apparently would not stop talking about it. Now they make it every Sunday during football season.

Getting The Right Texture

Some people prefer their broccoli cheddar soup completely smooth while others love identifiable broccoli pieces throughout. I usually blend about three quarters of the soup and leave some small florets whole. The immersion blender is perfect for this because you can control exactly how much blending happens. If you prefer a completely silky restaurant style texture, blend everything until no pieces remain visible.

Making It Ahead

This soup reheats beautifully but the key is proper storage. Let it cool completely before refrigerating in an airtight container. It will keep for three to four days. When reheating, use gentle heat and stir frequently to prevent the dairy from separating. Add a splash of milk or cream if it has thickened too much in the refrigerator. The flavors actually develop more depth after sitting overnight.

Perfect Pairings

A crusty baguette slice toasted with garlic butter is absolute perfection alongside this soup. The bread soaks up every last drop and adds that satisfying crunch to each creamy spoonful. For a lighter meal, a simple green salad with apple slices and walnuts cuts through the richness beautifully.

• Grilled cheese sandwiches made with extra sharp cheddar are the ultimate comfort food pairing
• A crisp apple slice on the side refreshes your palate between bites
• Crispy bacon crumbles on top add the most incredible smoky finish

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There is something deeply satisfying about a recipe that comes together so quickly yet tastes like it simmered all day. That is the magic of the Instant Pot working its pressure cooking charm.

Recipe Questions & Answers

→ Can I freeze this soup?

Yes, this soup freezes well for up to 3 months. Allow it to cool completely before transferring to freezer-safe containers. Thaw overnight in the refrigerator and reheat gently on the stovetet, adding a splash of milk if needed to restore consistency.

→ How do I make it gluten-free?

Substitute the all-purpose flour with cornstarch or a gluten-free flour blend. Use 1 tablespoon of cornstarch mixed with a bit of cold broth to create a slurry, then whisk it into the hot liquid. Ensure your broth is certified gluten-free as well.

→ Can I use frozen broccoli?

Frozen broccoli works perfectly in this soup. No need to thaw first—just add it directly to the Instant Pot. You may need to reduce the pressure cooking time by 1-2 minutes since frozen vegetables cook faster than fresh.

→ What can I substitute for heavy cream?

Half-and-half, evaporated milk, or additional whole milk can replace heavy cream for a lighter version. For a dairy-free option, use canned coconut milk or unsweetened almond milk, though the texture and flavor will vary slightly.

→ Why did my cheese curdle?

Cheese can curdle if added to boiling liquid. Always set your Instant Pot to Sauté (Low) and let the soup cool slightly before stirring in the cheese. Add it gradually while stirring constantly to ensure smooth, even melting.

→ Can I make this on the stovetop?

Absolutely. Sauté vegetables in a large pot, add broth and broccoli, then simmer covered for 15-20 minutes until tender. Blend, return to heat, and add milk and cream before stirring in the cheese until melted and smooth.