Green Bean Casserole Bake

Featured in: Perfect Complements for Every Meal

Enjoy the comfort of tender green beans coated in a creamy mushroom blend, layered with crispy onions and finished golden brown in the oven. This classic combination makes an irresistible side, blending the earthiness of beans, rich flavor of mushrooms, and satisfying crunch of fried onions. Easy steps bring together wholesome textures and flavors, perfect for family gatherings or holiday tables. Simple prep and delicious results every time.

Tags: #halal #vegetarian #baked #north-american #easy #under-30-minutes #family-friendly #thanksgiving

A woman is sitting at a table with a plate of food in front of her. The plate contains a dessert with berries on top.
Updated on Thu, 30 Oct 2025 10:38:46 GMT
A white bowl filled with a delicious green bean casserole. Pin it
A white bowl filled with a delicious green bean casserole. | recipebyme.com

Green bean casserole is pure comfort food and a classic on holiday tables for good reason creamy crunchy and deeply satisfying This version is quick enough to whip up on a busy weeknight but special enough for gatherings too

I still remember the first time I made this on my own for Thanksgiving The easy prep amazed me and that golden onion topping always brings out stories from family around the table

Ingredients

  • Cream of mushroom soup: Choose a high quality brand for richer flavor The base for your sauce
  • Milk: Whole milk creates extra creaminess but you can use low fat as well if preferred
  • Green beans: Fresh or frozen both work For best results look for beans that are bright green and snap easily when bent
  • French fried onions: These give the signature crunch and savory pop Try to use newer bags for freshest taste
  • Salt and pepper: Season to balance the flavors Taste before assembling for just the right amount

Instructions

Prep Your Oven:
Set your oven to 350 degrees Fahrenheit so its thoroughly heated when you are ready to bake The right temperature helps the top crisp and the casserole bubble nicely
Mix the Creamy Base:
In a large bowl combine the cream of mushroom soup with milk Add a light sprinkle of salt and pepper Whisk until the mixture looks smooth and pourable
Add Beans and Onions:
Gently stir in the green beans making sure each one is coated in sauce Add half of your French fried onions Use a spatula to fold the onions in so you do not crush them too much
Assemble in Baking Dish:
Grease your casserole dish with a small amount of butter or oil to prevent sticking Pour in the mixture and spread it out evenly with a spatula This helps the top brown evenly
Bake the Casserole:
Place the dish uncovered in the oven and bake for about 25 minutes Look for small bubbles along the edge and a lightly golden top
Finish with Onion Topping:
Sprinkle the rest of the French fried onions evenly on top Return the dish to the oven for another 10 minutes This last step is what crisps up the onions and adds that irresistible finish
A bowl of food with onions and green beans on top.
A bowl of food with onions and green beans on top. | recipebyme.com

My favorite part has always been those crunchy onions on top When I was a kid my sister and I would sneak extra from the bag while waiting for the dish to finish baking Every time I make it now that memory comes rushing back

Storage Tips

Cover leftover casserole and refrigerate it for up to three days Reheat in the oven to revive the crispy topping If storing longer freezer friendly containers work well but hold off on the final onion topping until you are ready to serve

Ingredient Substitutions

Frozen green beans work if you do not have fresh just thaw and drain them You can also try cream of celery or cream of chicken soup for a different twist For a gluten free version seek out gluten free crispy onions and condensed soup

Serving Suggestions

This casserole shines next to roast turkey or chicken It is also perfect for potlucks or as a hearty vegetarian main on its own I like to add a little grated parmesan for an extra savory note

Cultural and Historical Context

Green bean casserole dates back to the 1950s and became famous thanks to home cooks loving simple shortcuts It has since found a permanent spot at Thanksgiving and holiday tables across America Nostalgic and cozy it is a symbol of generational traditions

Seasonal Adaptations

Roast fresh green beans for a more intense flavor in summer Use fresh mushrooms sauteed with garlic for a homemade touch Try adding cooked bacon for a winter heartiness

Success Stories

I have seen friends who thought they disliked green bean casserole change their mind after tasting a homemade version with fresh beans Years ago my aunt asked me to bring this for her potluck Now she requests it every year and calls it the best part of the meal

Freezer Meal Conversion

To prep ahead make the casserole without the final onion topping and freeze it covered with foil When ready to bake let thaw overnight Top with onions and bake as directed This makes holiday prep much less stressful

A bowl of food with onion rings and green beans.
A bowl of food with onion rings and green beans. | recipebyme.com

Green bean casserole brings everyone together in its satisfying simplicity Make it once and you will see why it remains a staple at any celebration

Recipe FAQs

→ Can I use fresh green beans instead of canned or frozen?

Yes, simply blanch fresh green beans until just tender before combining with the other ingredients for best results.

→ What can I use as a substitute for cream of mushroom soup?

You can use homemade mushroom sauce or a different creamy soup, such as cream of celery or chicken.

→ How do I make the onions extra crispy?

Add the remaining French-fried onions only for the last 10 minutes of baking to ensure a crisp topping.

→ Can this dish be made ahead of time?

Yes, assemble everything except the final onion topping, refrigerate, and bake with onions just before serving.

→ How can I make this dairy-free?

Use a non-dairy milk and a dairy-free creamy soup alternative to achieve a similar texture and flavor.

Green Bean Casserole Bake

Green beans and mushroom sauce topped with golden onions, baked to savory perfection.

Prep Time
10 min
Cook Time
35 min
Total Time
45 min
By: Sana

Category: Side Dishes

Skill Level: Easy

Cuisine: American

Yield: 6 Servings (1 medium casserole)

Dietary Categories: Vegetarian

Ingredients

→ Casserole Base

01 1 can (10.5 oz) condensed cream of mushroom soup
02 1/2 cup whole milk
03 Salt, to taste
04 Freshly ground black pepper, to taste

→ Vegetables

05 4 cups green beans, trimmed and cut into bite-sized pieces

→ Topping

06 1 cup French fried onions

Steps

Step 01

Preheat oven to 350°F.

Step 02

In a large mixing bowl, whisk together condensed cream of mushroom soup, whole milk, salt, and black pepper until smooth.

Step 03

Fold green beans and half of the French fried onions into the soup mixture until all vegetables are fully coated.

Step 04

Transfer the green bean mixture to a lightly greased baking dish, spreading evenly.

Step 05

Bake uncovered for 25 minutes on the center rack.

Step 06

Scatter the remaining French fried onions evenly over the casserole and bake for an additional 10 minutes until topping is crisp and golden.

Notes

  1. For crisper green beans, blanch them in boiling water for 2–3 minutes and cool in ice water before assembling the casserole.

Required Equipment

  • Oven
  • Mixing bowl
  • Whisk
  • Baking dish
  • Measuring cups and spoons

Allergen Information

Check each ingredient for potential allergens and consult a healthcare professional if needed.
  • Contains dairy and wheat (from cream of mushroom soup and French fried onions).

Nutritional Info (per serving)

This data is provided as a guide and doesn't replace medical advice.
  • Calories: 153
  • Fats: 8 g
  • Carbohydrates: 17 g
  • Proteins: 3 g