While the beef is soaking, roughly chop the pear, onion, garlic and green onions. Put the chopped ingredients into the blender, pour water on top and blend away!
Strain the blended ingredients and only keep the liquid. Pour the liquid into a large bowl to allow for space for the rest of the sauce ingredients.
To the liquid, mix in the rest of the ingredients that form the sauce base. Pour in the soy sauce and sesame oil. Then stir in the sugar. Add the green onions, black pepper, sesame seeds and ginger!