Instant Pot® Tonkotsu Ramen Broth
Boiling the pork bones blanches them, removes sediment or impurities, and cleans the bones and meat.
Prepare ramen noodles as directed by the packaging -- they can be dried or fresh.
You can use kale instead of spinach, if preferred.
Suggested toppings: green veggies such as kale or spinach, halved soft-boiled egg, flavored Japanese ginger, shredded pork meat from bones, sliced green onions, Japanese mixed chile pepper spiced blend.