INGREDIENTS
4 tbsp
unsalted butter
1
bunch leek greens (from 1 1/2 pounds of leeks), thinly sliced
Salt and freshly ground pepper
3 tbsp
all-purpose flour
3 cups
half-and-half or whole milk
10 oz
Manchego cheese, shredded (2 1/2 cups)
1 lb
elbow macaroni