
Shiitake Frittata Squares with ProsciuttoRomulo Yanes
Cooks' note:
Frittata squares can be made 2 hours ahead and chilled, covered with a dampened paper towel, then with plastic wrap. Bring to room temperature before serving.

Frittata squares can be made 2 hours ahead and chilled, covered with a dampened paper towel, then with plastic wrap. Bring to room temperature before serving.