INGREDIENTS
•
19-inch store-bought refrigerated rolled piecrust
•
215-ounce jars whole onions, drained, patted dry, and chopped
•
1/4cuppitted black olives, such as niçoise, sliced
•
12-ounce can flat anchovies, drained (optional)
•
1/2cupgrated Parmesan (2 ounces)