If you break it down, Green Bean Casserole is just green beans, plus a creamy mushroom sauce with a crunchy onion topping. If you just change the canned green beans to fresh and make a simple cream sauce with sauteed mushrooms, you're almost there.
Here is one of our Pizza Night variations – Mushroom Brie pizza with white truffle oil. I love the combined taste of mushrooms and truffle oil. It has an unbeatable earthy, savory flavor. For this pizza, I use a combination of fresh baby portabello and dried porcini mushrooms to pair with the white truffle oil.
The Italians, especially the Tucsons, use porcini mushrooms, fresh or dried, in sauces, risottos and stews. When you buy them dried, they have a very concentrated savory mushroom aroma. Because I could not bring home the fresh porcini, I was happy to bring home a few vacuum packs of the dried mushrooms as a souvenir of Tuscany.