01 - Set the Instant Pot to Sauté function. Add butter and allow to melt. Add diced onion and sauté for 2–3 minutes until softened. Stir in minced garlic and cook for 30 seconds until fragrant.
02 - Sprinkle flour into the pot and cook, stirring constantly, for 1 minute to form a roux and eliminate raw flour taste.
03 - Gradually pour in vegetable broth while whisking continuously to prevent lumps from forming.
04 - Add broccoli florets and grated carrot to the pot. Season with paprika, nutmeg, salt, and pepper.
05 - Seal the lid and set to Manual High Pressure for 5 minutes.
06 - Perform a quick pressure release. Open the lid and stir the soup.
07 - Using an immersion blender, blend the soup to your preferred consistency—completely smooth or slightly chunky.
08 - Set Instant Pot to Sauté Low. Stir in milk and cream. Gradually add shredded cheddar cheese, stirring constantly until fully melted and smooth.
09 - Taste the soup and adjust seasoning as needed. Serve hot, garnished with additional cheddar cheese or fresh herbs if desired.