A fresh, from-scratch green bean casserole with a creamy garlic parmesan sauce and a crunchy panko topping. Made without canned soup, this dish is perfect for holidays or weeknight dinners.
For gluten-free, use gluten-free flour and panko. For a lighter sauce, replace heavy cream with extra milk. To make ahead, assemble without topping, refrigerate up to 24 hours, then add topping and bake, adding 5-10 minutes.
Keywords: green bean casserole, garlic parmesan, no canned soup, holiday side dish, easy casserole