Add the mango (cut up, skin off), ginger, garlic, sugar, salt and Onion into a pressure cooker

Add water and ribs to the pressure cooker and cook for 40 minutes

Remove the meat, and sear on a high heat (oiled pan) until golden brown. Set aside

Take water from pressure cooker and all the ingredients in the cooker and put into a pot and add origanum. Reduce until it's a golden brown thick paste like chutney. Add more salt or sugar if needed.

Rub thick reduction onto the meat and serve