2 cloves garlic, coarsely chopped, or more to taste
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1 large head cauliflower, finely chopped
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¼ cup vegetable broth
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salt and ground black pepper to taste
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¼ cup grated Parmesan cheese
Instructions
Turn on a multi-functional pressure cooker (such as Instant Pot®) and select Saute function. Melt butter in the pot and add garlic. Stir until fragrant, about 30 seconds. Add cauliflower; stir until cauliflower is coated in butter and starting to become tender, about 5 minutes. Add broth. Close and lock the lid. Choose high pressure and set timer for 5 minutes. Allow time for pressure to build.
Release pressure using the natural-release method according to manufacturer's instructions for about 3 minutes. Release remaining pressure carefully using the quick-release method according to manufacturer's instructions, about 5 minutes. Unlock and remove the lid. Mash cauliflower using a potato masher or stick blender. Stir in Parmesan cheese. Season with salt and pepper.