Sausage Green Bean Potato Casserole – Cheesy Comfort in One Dish
When I think back to Sunday dinners at my grandma’s house, this casserole always comes to mind. The kitchen smelled like sizzling sausage, buttery potatoes, and that irresistible cheesy topping bubbling away in the oven. Every bite felt like comfort on a plate — tender potatoes, savory sausage, crisp green beans, and a creamy mushroom sauce pulling it all together. This Sausage Green Bean Potato Casserole isn’t just a recipe, it’s the kind of meal that makes family gatherings memorable.
It’s hearty enough for weeknight dinners, cozy enough for fall and winter nights, and crowd-pleasing enough for potlucks or holiday tables. With simple ingredients, easy prep, and a cheesy golden top, you’ll find yourself making this casserole again and again.
Sausage Green Bean Potato Casserole
Ingredients
Equipment
Method
- Preheat oven to 375°F and grease a 9×13-inch baking dish.
- Boil diced potatoes until fork-tender, about 10–12 minutes. Drain and place in baking dish.
- In a skillet over medium heat, brown the sausage with chopped onion until no longer pink. Drain any excess grease.
- Add garlic, cream of mushroom soup, milk, salt, pepper, and Cajun seasoning to the skillet. Stir until well combined.
- Stir in green beans and 1 cup of shredded cheddar cheese until creamy.
- Pour sausage mixture over potatoes in the baking dish. Gently mix to combine.
- Top with remaining 1 cup of shredded cheese. Bake uncovered for 25–30 minutes until bubbly and golden.
- Let cool slightly before serving warm.
Nutrition
Notes
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Table of Contents
Why You’ll Love This Sausage Green Bean Potato Casserole
This recipe checks all the boxes for comfort food lovers:
- Flavor-packed layers – sausage, potatoes, green beans, and cheese baked together.
- Family-friendly dinner – even picky eaters love it.
- Easy to customize – swap veggies, cheese, or spice levels.
- Perfect for leftovers – reheats beautifully for the next day.
- One-pan convenience – no fancy equipment needed.
If you love recipes like Loaded Potato Soup or Cheddar Garlic Herb Potato Soup, this casserole will feel right at home in your kitchen.
Ingredients for Sausage Green Bean Potato Casserole
Here’s what you’ll need to bring this casserole to life:
| Ingredient | Measurement | Notes & Substitutions |
| Red Potatoes | 2 pounds, diced | Yukon gold or russet also work |
| Ground Sausage | 1 pound | Spicy, Italian, or mild sausage |
| Onion | 1 small, chopped | Yellow or white onion |
| Garlic | 2 cloves, minced | Can use 1 tsp garlic powder |
| Cream of Mushroom Soup | 2 cans (10.5 oz) | Cream of chicken works too |
| Milk | ½ cup | Whole or 2% preferred |
| Green Beans | 1 can (14.5 oz), drained | Fresh or frozen also work |
| Salt | 1 tsp | Adjust to taste |
| Black Pepper | ½ tsp | Fresh cracked is best |
| Cajun Seasoning | ½ tsp | Optional, adds a kick |
| Sharp Cheddar Cheese | 2 cups, shredded | Divide into 1 cup + 1 cup |
How to Make Sausage Green Bean Potato Casserole Step by Step
- Prep the oven – Preheat to 375°F and grease a 9×13 baking dish.
- Boil the potatoes – Cook until fork-tender (10–12 minutes), then drain and place in the dish.
- Cook the sausage – In a skillet, brown sausage with onion until no longer pink. Drain grease.
- Build the sauce – Stir in garlic, cream of mushroom soup, milk, salt, pepper, and Cajun seasoning.
- Add green beans and cheese – Stir in beans and 1 cup cheddar until creamy.
- Assemble casserole – Pour sausage mixture over potatoes, mix gently.
- Top and bake – Sprinkle remaining cheese and bake for 25–30 minutes until bubbly.
- Rest & serve – Let cool slightly before serving warm.
How to Serve Sausage Green Bean Potato Casserole
- Plating idea: Scoop into deep bowls for a cozy feel.
- With sides: Pair with a crisp autumn salad or garlic bread.
- Seasonal twist: Add roasted Brussels sprouts in winter or fresh herbs in summer.
- Holiday version: Bake in a ceramic dish and sprinkle with fresh parsley for a Thanksgiving-ready side.
How to Perfect Your Sausage Green Bean Potato Casserole
- Cheese tip: Use freshly shredded cheddar for best melt and flavor.
- Spice it up: Add crushed red pepper or jalapeños for heat.
- Creamier casserole: Mix in ½ cup sour cream with the soup base.
- Crunchy topping: Sprinkle buttered breadcrumbs or fried onions on top before baking.
Common Mistakes to Avoid
- Undercooked potatoes: Make sure they’re fork-tender before baking.
- Greasy casserole: Always drain sausage well to avoid oily texture.
- Skipping seasoning: Taste the sausage mixture before baking and adjust salt.
- Overbaking: Watch closely — remove when cheese is golden, not dried out.
Storage and Reheating Instructions
| Storage Method | Instructions |
| Refrigerator | Store in airtight container up to 3 days. |
| Freezer | Wrap tightly in foil and freeze up to 2 months. |
| Reheat (oven) | 350°F for 20 minutes, covered with foil. |
| Reheat (microwave) | 1–2 minutes in a microwave-safe dish. |
Tip: Add a sprinkle of fresh cheese when reheating for that melty finish.
Frequently Asked Questions
Can I use fresh green beans instead of canned?
Yes! Blanch them first for 3–4 minutes so they bake tender.
Can I make this casserole ahead of time?
Absolutely. Assemble everything, cover, and refrigerate up to 24 hours before baking.
What’s the best sausage for this recipe?
Mild breakfast sausage works, but Cajun or spicy Italian sausage adds bold flavor.
Can I lighten it up?
Use reduced-fat cheese, turkey sausage, and cream of chicken soup for a lighter version.
Will kids enjoy it?
Yes — the creamy sauce and cheesy top make it kid-friendly. Just adjust spice levels.
Conclusion
This Sausage Green Bean Potato Casserole is pure comfort food made simple. It’s creamy, cheesy, filling, and packed with layers of flavor the whole family will love. Whether you’re serving it on a chilly fall night, bringing it to a potluck, or adding it to your holiday spread, this casserole delivers every time.
Save this recipe for later and make it a new family favorite.
