Reversing the reaction means adding just enough water (or other liquid) to dissolve most of the sugar and cocoa particles in the seized chocolate clumps. ... If your chocolate does seize, add boiling water to it, 1 teaspoon at a time, and stir vigorously after each addition until the chocolate is smooth.
Can you save melted chocolate that has seized?
Fixing Seized Chocolate
This may seem counterintuitive, but the way to fix chocolate that has seized is to add more liquid to it. Adding the right amount of water (or other liquid) will dissolve the sugar and cocoa in the clumps and make it a fluid consistency again.
Can you fixed seized chocolate?
No, you cannot fix your chocolate if it has seized. But you can still use it. You won't be able to use if for molding or dipping, but you can certainly use it in baking. Throw your seized chocolate into a brownie or cake batter or use it in cookie dough.