If you can find candied chestnuts, simply toss them in the cocoa with one tablespoon of brown sugar (no need to glaze them first).
Do ahead:
Cake can be baked 1 day ahead. Store tightly wrapped at room temperature.
If you can find candied chestnuts, simply toss them in the cocoa with one tablespoon of brown sugar (no need to glaze them first).
Cake can be baked 1 day ahead. Store tightly wrapped at room temperature.