
Photo by Christopher Testani
The keys to achieving razor-edged triangles: Let the sandwiches cool slightly, then slice with a serrated knife.
Do ahead:
Toasties can be cooked 2 hours ahead. Store uncovered at room temperature. Reheat before serving.

The keys to achieving razor-edged triangles: Let the sandwiches cool slightly, then slice with a serrated knife.
Toasties can be cooked 2 hours ahead. Store uncovered at room temperature. Reheat before serving.