It takes about 1 hour and 10 minutes to prepare and serves 6 to 8. 101+ best thanksgiving side dishes to transform your holiday dinner · this delicious and creamy green bean casserole by alton brown is a classic comfort dish with a homemade twist. It starts with blanching fresh green beans to maintain their vibrant color and crisp-tender texture. Follow alton browns step-by-step instructions and tips for this thanksgiving classic. Learn how to make a homemade mushroom sauce and fried onions for a delicious green bean casserole thats not from a can. 24 best green -re. · this detailed preparation guides you through creating alton brown s iconic green bean casserole from scratch. Remove from the heat and stir in 1/4 of the onions and all of the green beans. Cooking time may vary, depending on your oven, but once everything is ready to go and layered in, you simply top the casserole with the remaining onions and bake until bubbly—approximately 15 minutes. See full list on parade. com Never boil your beans in anything less than 1 gallon of water and liberally season with 2 tablespoons of salt. boiling in lots of water does two things. Take it from alton brown : Alton brown green bean casserole recipe is made with fresh green beans, button mushrooms, half and half, garlic, onions, rice flour, and chicken broth. Top with the remaining onions. Also, itll help to prevent the beans from turning brown. First, itll bounce back to a boil quickly, which will shorten the overall cooking time. Crispy golden onions, tender green beans, and a rich, velvety mushroom sauce come together in this easy recipe. Place into the oven and bake until bubbly, approximately 15 minutes. This recipe creates a rich, creamy, and crispy-topped vegetable side dish.