Prepare the peanuts. Spread the peanuts on a baking tray and cook them in the oven at 180°C for 10 minutes. Let it cool, then peel them.
Blend them. Put them into a blender or food processor and blend until smooth. Scrape off the contents on the side and continue blending until you achieve a smooth and buttery consistency. Transfer the butter into an airtight jar. Store this in a cool and dry area. The longer you store it, the more oil it releases. Simply pour the oil into a glass bowl to use for other recipes.
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Notes
If you don’t want to roast the peanuts in the oven, roast them on a skillet, pan, or air fryer.
Aside from using a blender or food processor, create the butter with a mortar and pestle.
Scrape off the contents on the side and continue blending until you achieve smooth buttery consistency.
Pour the oil into a glass bowl to use for other recipes.