Looking for a cozy, crowd-pleasing side dish? This creamy green bean casserole is a Thanksgiving favorite that works just as well for Sunday dinners. With fresh green beans, a rich cream sauce, and a golden topping, it’s the perfect balance of comfort and flavor. Quick to prepare and oven-baked, it’s a stress-free recipe that busy cooks will love for holidays or weeknights alike.
Table of Contents
Table of Contents
5 Reasons Why You’ll Love It
- Creamy and comforting flavor
- Perfect Thanksgiving side dish
- Quick prep with simple steps
- Fresh ingredients for rich taste
- Family favorite that always impresses
Time Breakdown
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Servings: 6 people
Ingredients List
- 1 lb fresh green beans, trimmed and halved
- 2 tbsp unsalted butter
- 1 medium onion, finely diced
- 2 garlic cloves, minced
- 8 oz mushrooms, sliced
- 2 tbsp all-purpose flour
- 1 cup chicken broth (or vegetable broth)
- 1 cup heavy cream
- 1 tsp salt
- ½ tsp black pepper
- 1 cup shredded cheddar cheese
- 1 cup crispy fried onions
Kitchen Tools You’ll Need
This recipe doesn’t require fancy gadgets, just a few reliable kitchen basics to keep everything simple and stress-free.
- Large skillet or frying pan
- Sharp knife
- Cutting board
- Measuring cups & spoons
- Mixing bowls
- Wooden spoon or spatula
- 9×13-inch baking dish
How to Make Step-by-Step
Step 1:
Preheat oven to 375°F (190°C). Blanch green beans in boiling salted water for 3 minutes, then drain and set aside.
Step 2:
In a large skillet, melt butter over medium heat. Add onions and cook for 3 minutes until soft and fragrant.
Step 3:
Add garlic and mushrooms, sauté for 5 minutes until mushrooms are golden.
Step 4:
Sprinkle flour over the mixture, stirring constantly for 1 minute to remove raw taste. Slowly whisk in broth, then cream, cooking until sauce thickens and becomes glossy.
Step 5:
Season with salt and pepper. Stir in blanched green beans and half the cheese.
Step 6:
Transfer mixture into a greased baking dish. Sprinkle remaining cheese on top, then cover with crispy fried onions.
Step 7:
Bake uncovered for 20–25 minutes until bubbling and golden. Serve hot.

Creamy Green Bean Casserole
Equipment
- Large Skillet
- Cutting board
- Sharp knife
- Measuring cups & spoons
- Mixing bowls
- Spatula
- Baking dish
Ingredients
- 1 lb fresh green beans trimmed and halved
- 2 tbsp unsalted butter
- 1 medium onion diced
- 2 cloves garlic minced
- 8 oz mushrooms sliced
- 2 tbsp all-purpose flour
- 1 cup chicken broth or vegetable broth
- 1 cup heavy cream
- 1 tsp salt
- 0.5 tsp black pepper
- 1 cup shredded cheddar cheese
- 1 cup crispy fried onions
Instructions
- Preheat oven to 375°F. Blanch green beans for 3 minutes, drain, and set aside.
- Melt butter in skillet. Add onions and cook 3 minutes until soft.
- Add garlic and mushrooms. Sauté 5 minutes until golden.
- Stir in flour, cook 1 minute, whisk in broth and cream until thick.
- Season with salt and pepper. Mix in beans and half the cheese.
- Transfer to baking dish, top with cheese and fried onions.
- Bake 20–25 minutes until bubbling and golden.
Notes
Nutrition
Variations to Try
- Swap cheddar with Gruyère or mozzarella for a different cheesy twist.
- Add cooked turkey chunks to make it a hearty main dish.
Storage Tips
- Store leftovers in an airtight container in the refrigerator for up to 3 days.
- Reheat in the oven at 350°F until warm and crispy.
- Avoid freezing, as the creamy sauce may separate.
Pro Tips Section
- Use fresh green beans for best texture, but frozen works if blanched first.
- For a lighter option, swap heavy cream with half-and-half.
- Prep a day ahead, refrigerate, and bake just before serving.
- Top with panko crumbs mixed with butter for extra crunch.
Nutrition Facts
- Serving Size: 1 plate
- Calories: 310
- Protein: 9g
- Carbohydrates: 18g
- Fat: 22g
- Fiber: 4g
- Sugar: 5g
Disclaimer: Nutrition facts are estimated using online tools and may vary based on your ingredients and preparation. Please consult a nutritionist for precise dietary advice.
FAQs
can I make this casserole ahead of time?
Yes, prepare the casserole up to the baking step, refrigerate, then bake before serving.
can I use canned green beans?
Fresh or frozen beans are recommended for texture, but canned beans can work in a pinch.
what can I use instead of fried onions?
Breadcrumbs tossed with butter or crushed crackers are great alternatives.
is this recipe gluten-free?
Use gluten-free flour and certified gluten-free fried onions to make it gluten-free.
Closing Notes
This creamy green bean casserole is a timeless holiday side that combines comfort and elegance in every bite. Whether it’s for Thanksgiving, Christmas, or a cozy weeknight dinner, it will always earn compliments at the table. Make it once, and it may just become a family tradition.








