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