Cheesy green bean casserole with golden crispy topping served hot

Creamy Green Bean Casserole

Posted: Emily Adams

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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

5 Reasons Why You’ll Love It

  1. Creamy and comforting flavor
  2. Perfect Thanksgiving side dish
  3. Quick prep with simple steps
  4. Fresh ingredients for rich taste
  5. 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.

Cheesy green bean casserole with golden crispy topping served hot

Creamy Green Bean Casserole

16ea77d91a73c1f5997bc368fe60d07ac6e4399fe6c0115485c8f891e7e10c94?s=30&d=mm&r=gEmily Adams
A creamy, cheesy green bean casserole perfect for Thanksgiving or any family dinner.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Side Dish
Cuisine American
Servings 6 people
Calories 310 kcal

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

For best flavor, use fresh beans and real cream. Can be prepped ahead and baked before serving.

Nutrition

Calories: 310kcalCarbohydrates: 18gProtein: 9gFat: 22gSaturated Fat: 12gCholesterol: 60mgSodium: 480mgPotassium: 380mgFiber: 4gSugar: 5gVitamin A: 15IUVitamin C: 20mgCalcium: 18mgIron: 10mg
Keyword Casserole, Green Beans, Thanksgiving
Tried this recipe?Let us know how it was!

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.

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