INGREDIENTS
10 cups
Baby spinach
1
Garlic clove
1/2
Onion
1 tsp
Rosemary, fresh
2 lb
Russet potatoes
1/2 tsp
Sage, fresh
1 tsp
Thyme, fresh
1
Kosher salt and freshly ground pepper
1 1/2 cups
Heavy cream
1/4 cup
Parmesan cheese, grated
3 cups
(12 oz./375 g) grated gruyère cheese