(See more about potato starch in Troubleshooting.) To make the chocolate black boba pearls pictured in this recipe, you will need 50 grams of dark brown sugar, 60 grams of water, 5 grams of cocoa ...

The diamonds need to fall in a specific shade, between C4 and C6, on the industry's color scale, which is more of a milk than a dark chocolate. More from So Expensive Meline: A pearl is one of the ...