4 tablespoons (1/2 stick) butter
4 tablespoons all-purpose flour
3 cups milk
Salt and pepper
Freshly grated nutmeg
11/2 cups grated Parmigiano-Reggiano
2 tablespoons EVOO (extra-virgin olive oil)
1 garlic clove, cracked away from its skin
1 bunch of green chard, stems removed, leaves coarsely chopped
2 pounds spinach, stems removed, leaves coarsely chopped
1 box no-boil lasagna noodles