Broccoli Cheddar Soup
"Thick, velvety broccoli cheddar soup that tastes like the Costco deli container — except you get a full pot for the price of two of theirs."
Costco Copycat — This is a homemade version of the Costco Deli & Prepared Foods item. See it in store →
The Game Plan
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Melt butter in a large pot over medium heat. Add onion and cook 4-5 minutes until softened. Add garlic and cook 1 minute.
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Sprinkle flour over the onions and stir constantly for 2 minutes to make a roux.
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Slowly whisk in chicken broth and milk, stirring to prevent lumps. Bring to a simmer.
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Add broccoli florets, mustard powder, and nutmeg. Simmer 12-15 minutes until broccoli is very tender.
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Use an immersion blender to blend about half the soup (leave it chunky). Or transfer half to a blender, blend smooth, and return to the pot.
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Stir in heavy cream and cheddar cheese. Stir until cheese is fully melted and smooth. Season with salt and pepper.