Stovetop method: Simmer cornmeal, stock or water, evoo, salt, and pepper in a medium saucepan, stirring often, until creamy and no longer gritty, about 15 minutes.
Adjust seasoning with salt and pepper.
Instant Pot method: add cornmeal, stock or water, evoo, salt, and pepper to insert for Instant Pot. Set to pressure cooker and set timer for 15 minutes.