Hamburger Green Bean Casserole

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Enjoy a hearty meal featuring layers of ground beef and green beans enveloped in a creamy mushroom sauce, all baked until bubbly and golden. Shredded cheddar brings richness, while French fried onions add irresistible crunch. Simple steps keep prep easy—brown the meat, mix with sauce and veggies, assemble, then bake until everything melts together. The crispy onion finish elevates every bite. Serve warm from the oven for a filling dinner that brings nostalgic flavor with each forkful.

Barbara Chef
Updated on Sun, 01 Jun 2025 19:36:30 GMT
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A plate of food with onion rings on top. | gracefulflavors.com

Hamburger green bean casserole is the kind of cozy comfort food I crave when I need something hearty that everyone at my table will love It layers savory ground beef green beans and a creamy mushroom base then gets topped with plenty of crispy onions and cheese for the best mix of flavors and textures A simple and filling one pan bake this classic is a hit at family dinners or any night you want fuss free deliciousness

Ingredients

  • Ground beef: This makes the dish heartier and adds rich flavor Choose 80 or 85 percent lean for the best texture
  • Green beans: These bring in freshness and a little crunch Use canned for convenience but you can swap in fresh blanched beans too
  • Cream of mushroom soup: Creating a creamy binder that holds the filling together opt for a good quality soup for more depth
  • Milk: This loosens the soup and makes the sauce smoother Whole milk gives a richer mouthfeel
  • Garlic powder and onion powder: Both amp up the savory notes and add aromatic depth Buy the freshest spices possible for a stronger taste
  • Salt and pepper: These basics sharpen all the flavors Taste before adding too much
  • Shredded cheddar cheese: Melty and golden it brings the yummy gooey layer medium or sharp cheddar works well
  • French fried onions: For a crispy finish always add these right before the end to keep them crunchy Try to find a brand that has a fresh taste and bright color

Step-by-Step Instructions

Preheat the Oven:
Set your oven to three hundred fifty degrees Fahrenheit and wait until it is fully preheated This gets the bake started evenly and ensures good results
Cook the Ground Beef:
Place the beef in a large skillet and cook over medium heat Break it up as you go stirring often When no pink remains and it is nicely browned drain the excess fat This step is important for keeping the casserole from getting greasy
Prepare the Filling:
Transfer the cooked beef to a large mixing bowl Add the drained green beans cream of mushroom soup milk garlic powder onion powder salt and pepper Stir slowly and thoroughly until all ingredients are well combined This creates the creamy beefy filling that holds the casserole together
Assemble the Casserole:
Coat your nine by thirteen inch baking dish with a bit of cooking spray or butter Spread the beef and green bean filling in an even layer and sprinkle shredded cheddar cheese all over the top Distribute the cheese from edge to edge to guarantee an even melt
Bake:
Put the casserole in your preheated oven for about twenty five minutes You want the cheese melted and the filling hot and bubbling around the edges
Add the Topping:
Take out the dish and scatter the French fried onions on top Place it back in the oven for another five to ten minutes When the onions are golden and smell toasted remove from the oven This trick ensures they stay extra crisp
Serve:
Let the casserole cool for a few minutes before serving This helps everything set and keeps the slices neat
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A yummy plate of food with onion rings on top. | gracefulflavors.com

Storage Tips

Refrigerate leftovers in an airtight container for up to three days Warm single servings in the microwave or reheat larger portions in a covered dish in the oven at a low temperature Covering helps the casserole stay moist Unless prepping for a crowd keep the fried onions separate until serving since they soften with storage

Ingredient Substitutions

You can use ground turkey or chicken instead of beef to lighten things up Fresh green beans are perfect if you have them on hand For a gluten free version choose gluten free cream soup and French fried onions Add chopped mushrooms or bell peppers for more veggies

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A delicious plate of food with onion rings on top. | gracefulflavors.com

Serving Suggestions

Pair with a lightly dressed green salad or steamed broccoli for brightness A side of crusty bread goes a long way to soak up the creamy sauce If you are serving kids consider adding a handful of tater tots on top before baking for a playful twist

Cultural and Historical Context

This casserole has strong roots in classic American home cooking and especially in the Midwest Recipes like this boomed in popularity in the postwar years when canned soup became a pantry staple It is a true comfort dish that brings generations together and stretches simple ingredients into a crowd pleasing meal

Frequently Asked Questions

→ Can I use fresh green beans instead of canned?

Yes, fresh green beans work well. Blanch them briefly before mixing to ensure tenderness in the final dish.

→ What kind of cheese pairs best with this meal?

Shredded cheddar delivers a classic sharp flavor, but Monterey Jack or Colby are delicious substitutions.

→ Can I prepare the dish ahead of time?

Absolutely! Assemble and refrigerate, then bake when ready to serve. Add the fried onions right before the final bake.

→ Do I need to drain the cooked ground beef?

Yes, draining excess fat prevents the casserole from becoming greasy and helps maintain the right texture.

→ How can I make this meal more flavorful?

Try adding sautéed fresh onions, a pinch of smoked paprika, or fresh herbs like thyme for extra depth.

→ Is it possible to freeze leftovers?

Yes, this dish freezes well. Cool completely, portion, and freeze for up to three months. Reheat until hot throughout.

Hamburger Green Bean Casserole

Layers of savory beef, tender green beans, creamy mushroom sauce, cheddar, and crunchy onions—comfort made simple.

Prep Time
10 Minutes
Cook Time
35 Minutes
Total Time
45 Minutes
By: Barbara

Category: Hearty Mains

Difficulty: Easy

Cuisine: American

Yield: 6 Servings (One 23×33 cm casserole, serves 6)

Dietary: ~

Ingredients

→ Main Components

01 1 pound ground beef
02 1 can (425 g) green beans, drained
03 1 can (298 g) cream of mushroom soup
04 120 ml milk
05 1 teaspoon garlic powder
06 1 teaspoon onion powder
07 Salt, to taste
08 Black pepper, to taste

→ Toppings

09 115 g shredded cheddar cheese
10 85 g French fried onions

Instructions

Step 01

Set the oven to 175°C (350°F) and allow it to fully preheat.

Step 02

In a large skillet over medium heat, cook ground beef until completely browned, breaking it apart as it cooks. Drain any excess fat.

Step 03

In a large mixing bowl, mix the cooked ground beef with drained green beans, cream of mushroom soup, milk, garlic powder, onion powder, salt, and pepper until thoroughly incorporated.

Step 04

Lightly grease a 23×33 cm (9×13-inch) baking dish. Evenly spread the beef and green bean mixture into the dish and top with shredded cheddar cheese.

Step 05

Place the dish in the preheated oven and bake for 25 minutes, or until the cheese is melted and the casserole is fully heated through.

Step 06

Remove from the oven and sprinkle French fried onions evenly over the top. Return to the oven for 5–10 minutes, until the onions are crispy and golden.

Step 07

Let the casserole rest for a few minutes before slicing and serving.

Notes

  1. Draining excess fat from the beef prevents the casserole from becoming greasy.
  2. For best flavor, allow the casserole to rest before serving so the filling can set.

Tools You'll Need

  • Large skillet
  • Large mixing bowl
  • 23×33 cm (9×13-inch) baking dish
  • Oven
  • Cooking spray or butter, for greasing

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains milk, cheese, and processed soup (may contain wheat and soy); French fried onions may contain gluten.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 410
  • Total Fat: 28 g
  • Total Carbohydrate: 17 g
  • Protein: 23 g