This classic green bean casserole combines tender green beans with a creamy mushroom sauce, topped with crispy fried onions for added texture. The dish is assembled in layers and baked until bubbling and golden, resulting in a comforting, visually appealing casserole with a perfect balance of smooth and crunchy textures.
Prep Time 10 minutes mins
Cook Time 25 minutes mins
Total Time 35 minutes mins
For a vegetarian version, use a mushroom-based cream soup and skip the cheese. Fresh green beans give the best texture, but frozen work well too. Be careful not to overcook the green beans—they should be tender but still have a slight bite.