Cajun Turkey Sausage
& Radish Casserole
Smoky turkey sausage, radishes, green beans, bell pepper, and onion tossed in a bold Cajun spice and olive oil mixture and roasted until tender and caramelized. The radishes are the secret — they transform in the oven into something remarkably potato-like, soaking up all that Cajun flavor without a fraction of the carbs. One dish, minimal cleanup, maximum satisfaction.
- 1 lb turkey smoked sausage, sliced into rounds
- 1 bag radishes, washed & halved
- 2 cups green beans, fresh or frozen
- 1 bell pepper, sliced
- 1 small yellow onion, chopped
- 2 cloves garlic, minced
- 2 tbsp olive oil
- 1–2 tbsp Cajun or Creole seasoning (start with 1, adjust for heat)
- 1 tsp red pepper flakes (optional — for extra heat)
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1
Preheat & make the seasoning mixture
Preheat oven to 400°F. In a large bowl, whisk together the olive oil, minced garlic, Cajun seasoning, and red pepper flakes if using. Start with 1 tablespoon of Cajun seasoning and add more after tasting — brands vary significantly in saltiness and heat.
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2
Toss everything together
Add the sliced sausage, halved radishes, green beans, bell pepper, and chopped onion to the bowl with the seasoning mixture. Toss thoroughly until everything is evenly coated — get in there and make sure every piece is covered.
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3
Bake covered
Transfer the mixture to a large baking dish or casserole dish in an even layer. Cover tightly with foil and bake at 400°F for 30 minutes — the foil traps steam and allows the radishes to become tender all the way through.
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4
Uncover & finish
Remove the foil and continue baking for 12–15 minutes until the sausage is caramelized, the radishes have taken on some color, and any excess moisture has cooked off. The uncovered time is what transforms this from a steamed dish into a properly roasted one. Serve hot directly from the dish.
- Radishes are the star: Raw radishes are sharp and peppery — roasted radishes are mild, tender, and remarkably similar to a small potato in texture. They soak up the Cajun seasoning beautifully and are one of the best low-carb potato substitutes in this entire collection.
- Uncover for the last 15 minutes: The foil is essential for the first 30 minutes to steam the radishes tender — but removing it for the final stretch is what gives you caramelized sausage and roasted vegetables rather than steamed ones.
- Cajun seasoning varies wildly: Some brands are intensely salty, others are heavy on heat. Start with 1 tablespoon, toss everything together, taste a small piece, and add more if needed. Tony Chachere's and Zatarain's are widely available and work great here.
- Bell pepper is essential: The holy trinity of Cajun cooking is onion, bell pepper, and celery — adding the bell pepper brings this dish fully into Cajun territory and adds a sweetness that balances the heat.
- Leftovers: This reheats beautifully in the microwave for 90 seconds or in a 350°F oven covered with foil for 10 minutes. The flavors deepen overnight making it an excellent lunch the next day.