Sheet Pan Cajun Smoked Sausage & Roasted Vegetables
Sliced kielbasa smoked sausage roasted with baby potatoes, bell peppers, and Cajun spices in 25 minutes.

sheet-pan Timer
Set for 25 mins @ 400°F (204°C)
Ingredients
Base recipe calibrated for 4 adults.
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Get to the Point Execution
Slice 14 oz smoked sausage into 1/2-inch coins; chop bell peppers, red onion, and baby potatoes.
Toss everything in a large bowl with 2 tbsp olive oil and 1.5 tbsp Cajun seasoning.
Spread in a single layer on a large rimmed sheet pan.
Roast at 400°F for 25 minutes (flipping once halfway) until potatoes are fork-tender and sausage is browned and crisp.
Step-by-Step Guided Instructions
Slice 14 oz smoked kielbasa sausage into 1/2-inch coins. Cut 1 lb baby red potatoes into 1/2-inch wedges, 2 bell peppers into 1-inch squares, and 1 red onion into wedges.
Cutting potatoes small ensures they roast tender in the exact same 25 minutes as the sausage.
In a large bowl, toss the sausage, potatoes, and vegetables with 2 tbsp olive oil, 1.5 tbsp Cajun seasoning, 1/2 tsp garlic powder, and 1/2 tsp kosher salt until evenly coated.
Tossing in a bowl ensures every potato wedge gets evenly seasoned with flavorful Cajun spices.
Dump contents onto a 18x13-inch heavy rimmed sheet pan. Spread into a flat single layer so pieces are not piled on top of each other.
Piling ingredients leads to trapped steam; direct metal contact creates delicious caramelized blistered edges.
Roast at 400°F for 25 minutes, stirring with a metal spatula at the 15-minute mark. Remove when potato edges are browned and sausage is sizzling and crisp.
Smoked sausage is already fully cooked, so it renders flavorful fat that bastes the roasting potatoes.
Line the baking sheet with heavy foil for 10-second cleanup after dinner.
Use mild smoked turkey sausage and mild Italian seasoning instead of spicy Cajun rub.
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Reheat on a sheet pan in the oven at 375°F for 6 minutes or in a skillet.