Classic Homemade Green Bean Casserole for Dinner
Green bean casserole is a classic side dish that’s creamy, comforting, and always a hit at family dinners. After making this many times, I’ve discovered the trick to the best green bean casserole is cooking the green beans just right. Jump to the recipe card or keep reading for my best tips. If you love recipes like this, you’ll also enjoy Easy Baked Turmeric Chicken with Spring Vegetables and Easy Cucumber Sweet Pepper Salad Ready in 10 Minutes.
Why This Classic Homemade Green Bean Casserole for Dinner Is Pure Comfort
- Creamy sauce with a hint of mushroom flavor
- Crispy fried onions for added crunch and texture
- Easy to make and perfect for family dinners
- Better than takeout and freezer-friendly
What You'll Need for Classic Homemade Green Bean Casserole for Dinner
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- Fresh green beans
- Canned mushrooms
- Onion
- Milk
- Flour
- Salt
- Pepper
- Garlic powder
- Onion powder
- Nutmeg
- Soy sauce
- Optional: Fried onions
- Optional: Shredded cheese
đź“ť Ingredient Notes
- Green beans: Trim and cut into 1-inch pieces.
- Milk: Any kind will work, but whole milk makes the sauce creamier.
đź›’ Tools & Equipment I Recommend
- Cast iron skillet — Even heat distribution for perfect fried onions. → See on Amazon
- Immersion blender — Easy sauce blending right in the pot. → See on Amazon
How to Make Classic Homemade Green Bean Casserole for Dinner
- Prepare green beans: Trim and cut green beans into 1-inch pieces. Cook in boiling water for 5 minutes, then drain and set aside.
- Sauté mushrooms and onions: In a large skillet, sauté sliced onions and canned mushrooms until tender. Season with garlic powder, onion powder, salt, and pepper.
- Make the sauce: In a medium saucepan, whisk together milk, flour, nutmeg, and soy sauce. Cook over medium heat until thickened.
- Combine and bake: Combine cooked green beans, mushroom mixture, and sauce. Transfer to a greased baking dish and top with fried onions. Bake at 350°F (175°C) for 20-25 minutes.
Cook's Tips for Perfect Classic Homemade Green Bean Casserole for Dinner
- Common mistake and fix: Don't overcook the green beans. They should still have a slight crunch. If they're too soft, the casserole will be mushy.
- Time-saving tip: Prepare the fried onions ahead of time and store in the freezer. They'll keep for up to a month.
- Nutrition tip: For a healthier version, use low-fat milk and skip the fried onions. Top with fresh parsley instead.
- Make-ahead tip: Assemble the casserole ahead of time, but don't add the fried onions. Store in the fridge for up to 2 days. Add the fried onions just before baking.
Storing & Reheating Classic Homemade Green Bean Casserole for Dinner
Short-Term Storage
Store in an airtight container in the fridge. Store leftovers in an airtight container for up to 5 days. Make-ahead tip: Assemble the casserole ahead of time, but don't add the fried onions. Store in the fridge for up to 2 days. Add the fried onions just before baking.
Freezing Classic Homemade Green Bean Casserole for Dinner
Freeze for up to 3 months. Thaw overnight in the fridge before reheating.
How to Reheat Without Drying It Out
Oven: Reheat in a 350°F (175°C) oven for 15-20 minutes. Microwave: Reheat in the microwave for 2-3 minutes, stirring halfway through.
Recipe Notes
- Chef tip: For a deeper flavor, use homemade chicken broth instead of water to cook the green beans.
- Best substitution: If you can't find canned mushrooms, sauté fresh mushrooms until they release their moisture, then proceed with the recipe.
- Make-ahead: Assemble the casserole ahead of time, but don't add the fried onions. Store in the fridge for up to 2 days. Add the fried onions just before baking.
- Scaling: This recipe can be easily doubled or halved to serve more or fewer people.
- Troubleshooting: If the sauce is too thick, thin it out with a little more milk. If it's too thin, cook it longer to reduce and thicken.
Want to level up this recipe?
Food processor — Saves time and effort when slicing onions and mushrooms. → Check price on Amazon
Classic Homemade Green Bean Casserole for Dinner
Ingredients
Main Ingredients
- Fresh green beans
- Canned mushrooms
- Onion
- Milk
- Flour
- Salt
- Pepper
Seasonings
- Garlic powder
- Onion powder
- Nutmeg
- Soy sauce
Optional Toppings
- Fried onions
- Shredded cheese
Instructions
- Prepare green beans: Trim and cut green beans into 1-inch pieces. Cook in boiling water for 5 minutes, then drain and set aside.
- Sauté mushrooms and onions: In a large skillet, sauté sliced onions and canned mushrooms until tender. Season with garlic powder, onion powder, salt, and pepper.
- Make the sauce: In a medium saucepan, whisk together milk, flour, nutmeg, and soy sauce. Cook over medium heat until thickened.
- Combine and bake: Combine cooked green beans, mushroom mixture, and sauce. Transfer to a greased baking dish and top with fried onions. Bake at 350°F (175°C) for 20-25 minutes.
Notes
- Chef tip: For a deeper flavor, use homemade chicken broth instead of water to cook the green beans.
- Best substitution: If you can't find canned mushrooms, sauté fresh mushrooms until they release their moisture, then proceed with the recipe.
- Make-ahead: Assemble the casserole ahead of time, but don't add the fried onions. Store in the fridge for up to 2 days. Add the fried onions just before baking.
- Scaling: This recipe can be easily doubled or halved to serve more or fewer people.
- Troubleshooting: If the sauce is too thick, thin it out with a little more milk. If it's too thin, cook it longer to reduce and thicken.
Storage
- Fridge: Store leftovers in an airtight container for up to 5 days.
- Freezer: Freeze for up to 3 months. Thaw overnight in the fridge before reheating.
- Oven reheat: Reheat in a 350°F (175°C) oven for 15-20 minutes.
- Microwave reheat: Reheat in the microwave for 2-3 minutes, stirring halfway through.
- Make ahead: Assemble the casserole ahead of time, but don't add the fried onions. Store in the fridge for up to 2 days. Add the fried onions just before baking.
Nutrition Per Serving
- Calories: 220
- Protein: 7g
- Fat: 9g
- Carbs: 28g
- Fiber: 4g
- Sugar: 4g
- Sodium: 460mg
- Cholesterol: 15mg
- Sat. Fat: 3g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Classic Homemade Green Bean Casserole for Dinner FAQs
Yes, assemble the casserole ahead of time, but don't add the fried onions. Store in the fridge for up to 2 days. Add the fried onions just before baking.
Overcooking the green beans can make the casserole mushy. Cook them for just 5 minutes, then drain and set aside.
Yes, freeze for up to 3 months. Thaw overnight in the fridge before reheating.
No, this recipe is best made in the oven. The air fryer doesn't have the capacity to cook the casserole evenly.
If you can't find canned mushrooms, sauté fresh mushrooms until they release their moisture, then proceed with the recipe.
A Warm Final Note
I can’t wait for you to try Classic Homemade Green Bean Casserole for Dinner and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!
