Meanwhile, melt butter in a 2 quart Dutch oven or sauce pan over medium low heat, add shallots and ginger and saute for about 2 minutes until it's aromatic.
Add miso, soy sauce, sugar and Chinese sesame paste and stir/saute for another 30 seconds before adding chicken broth/stock. Bring the broth to a boil.
Turn off the heat and then add heavy cream and bonito flakes, stir a bit before letting it sit for 3 minutes.
Pour the broth through a strainer into another pot and discard the contents of the strainer.