This broccoli and white bean casserole is the ultimate comfort food dinner. This hearty dish combines tender broccoli and creamy white beans in a velvety lemon-Parmesan sauce with a bubbly, cheesy top. It’s perfect for cozy family dinners or for bringing to someone as part of a meal train. Serve it alongside a crisp green salad for a meal that feels like a warm hug on your plate.