Spinach & Cheese Stuffed Shells

INGREDIENTS

jumbo pasta shells (8 ounces)

1 1/2 tsp

extra-virgin olive oil

onions, finely chopped

32 cups

DOLE Spinach from four 8-ounce packages

2 cups

part-skim ricotta cheese

2/3 cup

plain dry breadcrumbs

1/2 cup

freshly grated Parmesan cheese, divided

1/4 tsp

ground nutmeg

1/8 tsp

salt

Freshly ground pepper

large egg white, lightly beaten

3 cups

prepared marinara sauce, preferably low-sodium