Mac & Cheese’s fancy cousin. I usually make this with egg noodles instead of pasta shapes, but I had a box of elbows. I also had some “fancy” tuna we bought on our last excursion to Eataly in Boston.
I stopped using Campbell’s Cream of Mushroom soup for tuna casserole a few years ago, when my lactose intolerance was especially severe and taking no hostages. I also switched to Daiya shredded cheddar. Even though things have improved on the LI front, I have come to prefer Daiya for any macaroni-and-cheese combo, and I have stuck with the homemade white sauce, too. In cooking school, we learned a 1-1-1 ratio of milk, butter, and flour for bechamel, although I know there are some recipes that change that a bit. I steep about half a cup of dried portobello mushrooms in boiling water for twenty minutes, chop the reconstituted mushrooms, and throw the mushrooms and the liquid in the white sauce.
This tuna casserole has diced green bell pepper and yellow onion along with the tuna, cheese, and mushroom sauce. Sometimes I also like to stir in some Durkee French-fried onions, a la green bean casserole, but didn’t have any on hand.