Hamburger green bean casserole is one of those dishes that feels familiar before you even start cooking it. It’s simple, a little old-fashioned, and built from ingredients that have been showing up in kitchens for years. Ground beef, green beans, a creamy base, and a crunchy topping all baked together into something warm and filling.
This isn’t the kind of recipe that tries to surprise you. It’s more about putting together flavors people already know and letting the oven do the rest. The beef makes it hearty, the green beans keep it from feeling too heavy, and the creamy sauce ties everything together without much effort. Once it’s baked and topped with crispy onions, it comes out looking exactly like the kind of dinner people remember eating growing up.
It’s the type of meal you make when you want something dependable. Nothing complicated, nothing trendy. Just a casserole that goes into the oven and comes out ready to feed everyone without a lot of fuss.
Table of Contents
Why You’ll Love This Recipe
This casserole works because it keeps things straightforward. You cook the beef, stir everything together, and let the oven handle the rest. There’s no layering to worry about and no timing tricks to figure out. Once it’s in the dish, it’s basically done.
Another reason people like this recipe is how balanced it feels. The ground beef makes it filling, but the green beans keep it from turning into something too heavy. The creamy sauce brings everything together without drowning the vegetables, and the cheese melts right into the mixture instead of sitting on top like an afterthought.
Then there’s the topping. Adding the French fried onions at the end gives the casserole that crunch people expect. It breaks up the soft texture underneath and makes the whole dish feel finished. It’s a small step, but it’s usually the part everyone notices first.
This is also the kind of recipe that fits easily into a busy schedule. It doesn’t require much prep, and it doesn’t leave you with a sink full of dishes. You make it once, and it’s easy to remember how to do it again the next time.
Ingredients You’ll Need
Everything in this casserole is pretty familiar. Nothing fancy, nothing hard to find. Most of it is likely already in your kitchen, which is part of why this recipe gets made so often.
- Ground beef: this is the main protein and what makes the casserole feel filling. Once it’s browned, it blends right into the creamy mixture instead of sitting on its own.
- Green beans: drained well so they don’t add extra liquid. They balance out the beef and keep the dish from feeling too heavy.
- Cream of mushroom soup: this is the base of the casserole. It ties everything together and gives it that classic, creamy texture people expect.
- Milk: helps loosen the soup just enough so the casserole doesn’t bake up too thick or dry.
- Cheddar cheese: melts into the mixture and adds flavor without overpowering the rest of the dish.
- French fried onions: added at the end for crunch. They give the top that crispy layer that makes this casserole feel complete.
- Garlic powder and onion powder: simple seasonings that boost flavor without changing the overall character of the dish.
- Salt and black pepper: used to balance everything once it’s mixed together.
How to Make This Recipe
The first thing you’ll want to do is get the ground beef cooking. Add it to a skillet over medium heat and break it up as it browns. You’re looking for small, loose pieces rather than big chunks. Once it’s fully cooked, take a moment to drain off the extra fat so the casserole doesn’t end up greasy later on.
After that, everything comes together pretty quickly. The cooked beef goes into a large bowl along with the drained green beans, cream of mushroom soup, milk, and seasonings. Stir it all until it’s evenly mixed. At this point, it won’t look impressive, but that’s expected. Once it bakes, it changes quite a bit.
The mixture then gets spread into a greased baking dish. Try to level it out so it heats evenly. The shredded cheddar cheese goes over the top before the dish heads into the oven. As it bakes, the casserole warms through and the cheese melts into a smooth layer.
Toward the end of baking, the French fried onions are sprinkled on top and returned to the oven just long enough to turn golden and crisp. When it comes out, the center should be hot and creamy, with a crunchy topping that contrasts nicely with the softer layers underneath.

Helpful Tips
This casserole doesn’t require much precision, but a few small choices can make it turn out better. Draining the green beans well is one of them. If there’s too much liquid left, the casserole can end up thinner than intended once it bakes.
Browning the beef properly also helps. Letting it cook until it’s fully done and lightly browned adds flavor, even though it all gets mixed together later. Draining the excess fat keeps the final dish from feeling heavy.
When it comes to the cheese, shredding it yourself makes a difference. Pre-shredded cheese works, but freshly shredded cheddar melts more smoothly and blends into the casserole better.
Adding the French fried onions at the end is important too. If they go on too early, they can burn before the casserole is finished. Saving them for the last few minutes keeps them crisp and golden.
And once it comes out of the oven, letting it sit for a few minutes helps. It firms up slightly, making it easier to scoop and serve without falling apart.
Frequently Asked Questions
Can I use frozen green beans instead of canned?
You can, but they’ll need to be cooked and drained first. Frozen green beans release more moisture, and adding them straight in can make the casserole watery.
Can this be made ahead of time?
Yes. You can assemble everything except the French fried onions, cover it, and keep it in the fridge for a day. When you’re ready to bake, add the onions near the end just like usual.
Does this reheat well?
It does. The casserole thickens as it cools, which is normal. When reheating, covering it helps keep it from drying out.
Can I swap the ground beef for another meat?
Ground turkey or chicken works fine, but you may want to add a little extra seasoning since they’re milder than beef.
Is this a freezer-friendly dish?
It can be frozen, but the texture of the green beans may soften more after thawing. If freezing, it’s best to do so before baking and add the onion topping later.
Final Thoughts
Hamburger green bean casserole is the kind of recipe that sticks around because it’s practical. It uses familiar ingredients, doesn’t take much effort, and feeds everyone without a lot of planning. You brown the beef, mix everything together, and let the oven handle the rest. That’s really all there is to it.
It’s filling without being too heavy, simple without feeling plain, and flexible enough that you can adjust it without much risk. Once you’ve made it once, it’s easy to remember how it goes, which is usually how recipes earn a regular spot in the dinner rotation.
This is the type of meal that works when you just want something warm and dependable on the table. No surprises, no extra steps. Just a casserole that does what it’s supposed to do.
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Hamburger green bean casserole
- Total Time: 45 minutes
- Yield: 6 servings 1x
Description
A hearty and comforting hamburger green bean casserole made with seasoned ground beef, tender green beans, creamy mushroom sauce, and a crispy onion topping.
Ingredients
- 1 pound ground beef
- 1 can (15 oz) green beans, drained
- 1 can (10.5 oz) cream of mushroom soup
- ½ cup milk
- 1 cup shredded cheddar cheese
- 1 cup French fried onions
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- Salt and pepper, to taste
Instructions
- Preheat oven to 350°F (175°C).
- In a large skillet over medium heat, brown the ground beef until fully cooked, breaking it apart with a spatula, then drain excess fat.
- In a large mixing bowl, combine the cooked ground beef, drained green beans, cream of mushroom soup, milk, garlic powder, onion powder, salt, and pepper.
- Transfer the mixture to a greased 9×13 inch baking dish and spread evenly.
- Sprinkle the shredded cheddar cheese over the top.
- Bake for 25 minutes until bubbly and cheese is melted.
- Remove from oven, sprinkle French fried onions on top, and bake an additional 5–10 minutes until golden brown.
Notes
For extra flavor, use sharp cheddar cheese and season the beef generously while browning.
- Prep Time: 10 minutes
- Cook Time: 35 minutes
- Category: Dinner
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 420
- Sugar: 4g
- Sodium: 780mg
- Fat: 26g
- Saturated Fat: 11g
- Unsaturated Fat: 13g
- Trans Fat: 0g
- Carbohydrates: 18g
- Fiber: 3g
- Protein: 28g
- Cholesterol: 95mg
Keywords: hamburger green bean casserole, ground beef casserole, green bean casserole, easy dinner



