1/4 CUP PINE NUTS
4 TABLESPOONS (1/2 STICK) UNSALTED BUTTER
2 CUPS CHOPPED ONIONS (2 ONIONS)
1 TABLESPOON CHOPPED GARLIC (3 CLOVES)
2 (10-OUNCE) BOXES FROZEN CHOPPED SPINACH, DEFROSTED
1/3 CUP CHOPPED SCALLIONS, WHITE AND GREEN PARTS (2 SCALLIONS)
1 CUP GRATED GRUYERE CHEESE
3/4 CUP FRESHLY GRATED PARMESAN CHEESE
4 EXTRA-LARGE EGGS, LIGHTLY BEATEN
1 TABLESPOON DRY BREAD CRUMBS, PLAIN OR SEASONED
2 TEASPOONS KOSHER SALT
3/4 TEASPOON FRESHLY GROUND BLACK PEPPER
1/2 TEASPOON GROUND NUTMEG
2 SHEETS (1 BOX) FROZEN PUFF PASTRY (SUCH AS PEPPERIDGE FARM), DEFROSTED
EGG WASH: 1 EXTRA-LARGE EGG BEATEN WITH 1 TABLESPOON WATER