There’s nothing fancy about this Smoked Sausage, Green Bean, and Potato Casserole—and that’s exactly why I love it. It’s just smoky sausage, tender green beans, and hearty red potatoes all baked together with a little seasoning until everything’s perfectly cozy and full of flavor.. This dish involves minimal effort during creation and is much more flavorful-making it perfect either for a weeknight dinner or some very cozy get-together. It is an all-come-together kind of casseroles with just a handful of ingredients and minimal preparation, this one will easily qualify as comfort food that all at the table are sure to love!
Why You’ll Love This Recipe
This Sausage, Green Bean, and Potato Casserole are between the most perfect one-dish wonders out there. The perfectly seasoned red potatoes melt among the smoky sausages, the green beans are perfectly crisp-tender, along with the sweet onions, and what is the result but one savory, filling, satisfying, and simple-to-make-at-that dish. Those recipes that sort of fly easily into one’s weekly rotation of dinners-minimal prep, minimal cleanup, easy on everyone-are tasty as hell but could produce from ingredients already at home!
Key Ingredients
Smoked Sausage: Brings that smoky flavor-and there’s a little bit of spice to it as well- to everything as it bakes.
Green Beans: Fresh-picked and kept short-that vibrant green to them. They’ll be nice and crunchy, plus some fiber in them.
Red Potatoes: Very tender and buttery-very tender and buttery-so they can absorb all the flavors.
Onion: That little bit of sweetness and depth that ties everything together.
Olive Oil: Helps the seasonings stick to the ingredients and caramelizes them when it’s baking.
Garlic Powder: Gives it the very faintest hint of garlicky goodness.
Salt and Pepper: Classic seasonings because they really do allow the flavors of each ingredient to shine out in the dish, without overpowering them with taste.
Complete list of ingredients with quantities and instructions is located in the recipe card below
Instructions:
Preheat that oven to 425°F – Trust me on this one! A nice hot oven is the key to getting those gorgeous caramelized edges without needing extra oil. My kitchen starts smelling amazing the moment that preheat beep goes off!
Prep your colorful ingredients – Take a moment to slice that smoked sausage into perfect bite-sized rounds (I find this so satisfying!). Trim those fresh green beans and give those beautiful red potatoes a quick cube into 1-inch pieces. Cut your onion into chunky wedges – the purple-red color adds such a pretty touch to our dish!
Mix everything in your biggest bowl – This is where I like to get a little hands-on! Drizzle just enough olive oil to lightly coat everything (we’re keeping it light!), then sprinkle with salt, pepper and garlic powder. I love mixing with my hands to make sure every piece gets some flavor love.
Spread onto your baking sheet – Transfer everything to a 9×13-inch dish, making sure it’s in a nice even layer. Cover tightly with foil – this helps those potatoes get tender before we work on browning everything up!
Initial bake (covered) – Pop your covered dish into that hot oven for about 30 minutes. This is my favorite time to pour a glass of water with lemon and clean up the kitchen!
Stir and uncover – After 30 minutes, carefully remove that foil (steam facial, anyone?), give everything a good stir to redistribute all those amazing flavors, and return to the oven uncovered.
Final browning phase – Let everything roast uncovered for another 10-15 minutes until you see those gorgeous caramelized edges. This is where all the magic happens – those crispy bits are everything!
Rest and serve – Give it just a minute or two to cool slightly before serving. Sometimes I add a sprinkle of crispy fried onions or fresh herbs if I’m feeling fancy!
Serving Suggestions
The serve is a full meal on its own. Therefore, these are the best things to accompany or pair with it:
Fresh Bread: The casserole will enjoy a great partnership with warm, crusty bread, or fluffy butter dinner rolls by which to soak up the savory juices.
Side Salad: A crisp salad with vinaigrette on top is a good foil to these very hearty casseroles.
Dipping Sauce: Mustard or barbecue sauce or a creamed ranch dip always add that extra layer of flavor needed.
Drinks: Mint-infused iced tea or lemonade must go pretty well together because it is a light and crisp wine, like Sauvignon Blanc.
Storage Tips
Refrigeration: Store your leftover sitting in a covered container in the refrigerator. It should be safe in that form for up to four days.
Freezing: This casserole actually freezes quite well. Simply portion out what you want to save, cool, and put it in a freezer-safe container for up to three months. Thaw it overnight in the fridge oven. Reheat it by placing it in a preheated 350°F (175°C) oven or by individually microwaving one serving for 1-2 minutes to heat through.
Variations
Cheese It Up: Sprinkle with shredded cheddar or foreigners Parmesan or softer mozzarella over the last 10 minutes of baking.
Spice It Up: Use hot smoked sausage or throw red pepper flakes into your own seasoning mix for a hint of heat.
Boost Your Veggies: Incorporate sliced bell peppers, cherry tomatoes, or mushrooms and more vegetables-colored vibrancy.
Herbal Spin: Fresh or dried herbs, like thyme, rosemary, or parsley, would be the perfect aroma and flavor.
Less Carbs: Give thin cauliflower florets a chance where potatoes once ruled as a keto equivalent.
Conclusion
okay, so here’s the thing—this dessert isn’t fancy. it’s not some layered masterpiece or anything you need to explain at the table. it’s just… really good. cold, creamy, fruity, crunchy, a little messy, and exactly what you want when you’re standing in front of the fridge late at night with a fork in your hand.
this no-bake banana split cake? it’s easy. it’s fun. and people always go back for seconds—sometimes thirds. honestly, it tastes like something you remember from childhood but somehow better.
just make it. you’ll see.

Sausage Green Bean Potato Casserole
Ingredients
- 1 lb smoked sausage sliced into bite-sized pieces
- 0.75 lb fresh green beans trimmed
- 1 lb red potatoes cut into 1-inch chunks
- 1 medium onion wedged
- 2 tsps olive oil
- 1 tsp salt or to taste
- 1 tsp pepper or to taste
- 0.5 tsp garlic powder
Instructions
- Preheat your oven to 425°F (220°C) to ensure the dish cooks evenly and achieves a slightly crispy texture.
- Slice the smoked sausage into bite-sized pieces. Trim the green beans to remove stems or rough edges. Cube the red potatoes into 1-inch pieces for even cooking. Wedge the onion into medium-sized chunks.
- In a large bowl, combine the smoked sausage, trimmed green beans, cubed red potatoes, wedged onion, olive oil, salt, pepper, and garlic powder. Toss thoroughly to coat all pieces evenly with oil and seasoning.
- Transfer the prepared mixture evenly into a 9×13-inch baking dish. Cover the dish tightly with aluminum foil to lock in moisture during the initial bake.
- Place the dish in the preheated oven and bake covered for 30 minutes. After 30 minutes, remove the foil and stir the mixture to redistribute the flavors.
- Return the dish to the oven uncovered and bake for an additional 10–15 minutes, or until the vegetables are slightly caramelized and the sausage develops a crispy, flavorful exterior.
- Remove the dish from the oven and allow it to sit for a few minutes. Serve as-is or garnish with crispy fried onions or fresh herbs. Store leftovers in the refrigerator for up to 3 days.