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Easy Sheet Pan Kielbasa Recipe with Roasted Peppers and Onions

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A quick and satisfying sheet pan meal featuring smoky kielbasa, sweet roasted bell peppers, and caramelized onions. Perfect for busy weeknights with minimal cleanup.

Ingredients

Scale
  • 1 pound kielbasa sausage, sliced into 1/2-inch rounds
  • 3 medium bell peppers (red, yellow, and green), sliced into strips
  • 2 medium yellow or sweet onions, sliced into thin wedges
  • 2 tablespoons extra virgin olive oil
  • 1 teaspoon garlic powder
  • 1 teaspoon smoked paprika
  • 1/2 teaspoon dried oregano
  • Salt to taste
  • Fresh ground black pepper to taste
  • Optional: 1/4 teaspoon crushed red pepper flakes

Instructions

  1. Preheat your oven to 425°F (220°C).
  2. Slice the kielbasa into 1/2-inch rounds, keeping them uniform for even cooking.
  3. Core and slice the bell peppers into 1/2-inch wide strips. Peel and slice the onions into thin wedges.
  4. In a large mixing bowl, combine the kielbasa slices, pepper strips, and onion wedges. Drizzle with 2 tablespoons of olive oil.
  5. Sprinkle garlic powder, smoked paprika, dried oregano, salt, black pepper, and optional red pepper flakes over the mixture. Toss until well coated.
  6. Line a large rimmed baking sheet with parchment paper or a silicone baking mat. Spread the kielbasa and veggies in an even layer without overcrowding.
  7. Roast in the preheated oven for 20 minutes. Halfway through (around 10 minutes), use tongs or a spatula to flip and stir the ingredients for even browning.
  8. Check for doneness at 20 minutes; peppers should be tender and slightly charred, onions soft and caramelized, kielbasa browned and heated through. Broil for 1-2 minutes if more color is desired, watching closely.
  9. Remove from oven and let cool for a few minutes before serving.

Notes

If veggies release a lot of water, pat dry before tossing with oil to keep roasting crispier. Avoid overcrowding the pan to prevent steaming. Use a rimmed sheet pan to avoid spills during flipping. For deeper smoky flavor, add smoked salt or liquid smoke. Broil briefly for extra caramelization if desired.

Nutrition

Keywords: kielbasa, sheet pan dinner, roasted peppers, onions, quick dinner, easy recipe, one pan meal, smoky sausage