For the sponge cake
- 1/2 cup all-purpose flour
- 1/4 cup unsweetened cocoa powder
- 1/4 teaspoon salt
- 6 large eggs, room temperature
- 3/4 cup granulated sugar, divided
For the chocolate frosting
Chocolate Curls, Sugared Cranberries (see notes) & Fresh Rosemary for garnish, if desired