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Italian Sausage on a bun being served with a side salad on a silver plate.

Sheet Pan Italian Sausage Gyros

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  • Author: Bailey Sissom
  • Prep Time: 10 mins
  • Cook Time: 30 mins
  • Total Time: 40 minutes
  • Yield: 4 Sandwiches 1x
  • Category: Dinner
  • Method: Oven
  • Cuisine: Italian

Description

Quick and Easy Italian Sausage on A Bun combines spicy chicken sausage, roasted peppers, and sweet onions, all served up on a warm toasty bun with marinara and mozzarella. 


Ingredients

Scale
  • 2 bell peppers, thinly sliced
  • 1 large sweet onion, thinly sliced
  • 2 tablespoons olive oil, divided
  • Salt and pepper, to taste
  • 4 Italian sausages, sliced into 1/2-inch rounds
  • 4 sandwich buns
  • 3/4 cup marinara sauce
  • 1 cup fresh mozzarella, diced into 1/4-inch cubes

Instructions

  1. Preheat your oven to 425°F. Line a rimmed baking sheet with aluminum foil.
  2. Place the 2 thinly sliced bell peppers and 1 thinly sliced onion directly on the prepared baking sheet. Drizzle with 1 tablespoon of olive oil, season with salt and pepper, and toss everything together on the sheet pan until well coated. Spread the peppers and onions out in a single layer.

  3. Nestle the 12 ounces sliced sausage among the peppers and onions on the baking sheet. Roast in the preheated oven for 15-20 minutes, or until the sausages are golden and the vegetables are tender. Remove from the oven and transfer everything to a large mixing bowl.

  4. Brush 4  buns with the remaining olive oil and season them generously with salt and pepper. Place the buns on the same baking sheet and bake in the oven at 425°F for 5-7 minutes, or until golden brown.

  5. Add 3/4 cup marinara sauce and 1/2 cup diced mozzarella to the mixing bowl with the roasted sausage and vegetables. Stir until everything is well combined. Spoon a generous portion of the mixture onto each toasted bun.

  6. Wrap each sandwich in aluminum foil and place them back in the oven. Bake at 425°F for 5-7 minutes, or until the cheese is fully melted. 

  7. Unwrap the sandwiches and serve warm.


Notes

  • Gluten-Free: To make this dish gluten-free, use gluten-free buns and double-check that your sausages and marinara sauce are gluten-free.
  • Vegetarian: replace the Italian chicken sausage with a plant-based sausage or grilled portobello mushrooms. Use a vegetarian friendly mozzarella, or substitute with a plant-based cheese if avoiding dairy.
  • Keto-Friendly: Skip the buns and serve the sausage, peppers, and onions over a bed of cauliflower rice or zucchini noodles for a low-carb, keto-friendly meal.
  • Make-Ahead Tip: The sausage and veggie mixture can be prepared ahead of time and stored in the fridge. When you’re ready to serve, simply reheat the mixture, toast the buns, and assemble.