Easy Roasted Italian Sausage

Featured in: One-Pan & Sheet-Pan Meals

This vibrant dinner brings together juicy Italian sausages nestled among sweet bell peppers and sliced red onions, all roasted on a single sheet pan for simplified cooking and cleanup. The vegetables are coated in a fragrant blend of olive oil, oregano, basil, garlic, and red pepper flakes to deepen flavor. Roasting at high heat caramelizes the ingredients, creating a tender, savory meal that’s ready in just 40 minutes. Garnished with fresh herbs, it pairs well with bread or rice for a comforting dinner experience.

Updated on Sat, 13 Dec 2025 12:12:00 GMT
A sheet pan of Roasted Italian Sausage, Peppers, and Onions with browned sausages and colorful veggies. Save
A sheet pan of Roasted Italian Sausage, Peppers, and Onions with browned sausages and colorful veggies. | aeroflavor.com

A vibrant, no-fuss dinner featuring juicy Italian sausages roasted to perfection with sweet bell peppers and onions—all made on a single sheet pan for easy cleanup.

This is a go-to weeknight dinner in my house because it requires minimal prep and delivers big flavor every time.

Ingredients

  • Sausage: 4 Italian sausages (mild or hot, about 400 g total)
  • Vegetables: 2 large bell peppers (any color), sliced into strips, 1 large red onion, sliced into wedges
  • Seasonings: 2 tbsp olive oil, 1 tsp dried oregano, 1 tsp dried basil, ½ tsp garlic powder, ½ tsp crushed red pepper flakes (optional), ½ tsp kosher salt, ¼ tsp black pepper
  • Garnish (optional): Fresh chopped parsley, Fresh basil leaves

Instructions

Preheat oven:
Preheat oven to 425°F (220°C). Line a large baking sheet with parchment paper or foil for easy cleanup.
Toss vegetables:
In a large mixing bowl, toss the bell peppers and onion with olive oil, oregano, basil, garlic powder, red pepper flakes (if using), salt, and black pepper until well coated.
Arrange:
Spread the vegetables evenly on the prepared baking sheet. Nestle the Italian sausages among the vegetables.
Roast:
Roast in the preheated oven for 25 30 minutes, flipping the sausages and stirring the vegetables halfway through, until the sausages are browned and cooked through (internal temperature should reach 160°F/71°C), and the vegetables are tender and caramelized.
Rest and slice:
Remove from the oven. Rest for 2 3 minutes. Slice sausages if desired.
Garnish and serve:
Garnish with fresh parsley or basil before serving. Serve hot, alone or with crusty bread or over rice.
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My family loves gathering around for this one because it's both comforting and easy to prepare together on busy nights.

Tips for Perfect Roasting

Make sure to flip the sausages and stir the vegetables halfway through roasting to ensure even cooking and caramelization.

Serving Suggestions

Serve with crusty bread, over rice, or alongside a crisp Italian white wine such as Pinot Grigio to complete the meal.

Variations

Swap Italian sausages for chicken or turkey sausage for a lighter option, or add sliced garlic or a splash of balsamic vinegar before roasting for extra flavor.

Savory Roasted Italian Sausage, Peppers, and Onions, a flavorful one-pan meal, ready to serve. Save
Savory Roasted Italian Sausage, Peppers, and Onions, a flavorful one-pan meal, ready to serve. | aeroflavor.com

This recipe adapts well to different sausages and veggies, making it a versatile favorite for any season.

Recipe FAQs

What type of sausages work best?

Mild or hot Italian sausages are ideal, adding a rich, savory flavor that complements the peppers and onions.

Can I use other vegetables?

Yes, vegetables like zucchini or mushrooms can be added for variety and extra nutrients.

How do I ensure sausages are fully cooked?

Roast until sausages reach an internal temperature of 160°F (71°C), and they appear browned and firm.

What alternatives to olive oil can I use?

Vegetable or avocado oils work well and withstand the roasting temperature.

Is it necessary to flip the sausages during cooking?

Flipping halfway helps them brown evenly and prevents sticking, improving overall texture.

Easy Roasted Italian Sausage

One-pan dinner featuring Italian sausages, bell peppers, and onions roasted to tender perfection.

Prep Time
10 min
Time to Cook
30 min
Full Time
40 min
Created by Mason Hughes


Skill Level Easy

Cuisine Italian-American

Makes 4 Portions

Dietary Info No Gluten

What You'll Need

Sausage

01 4 Italian sausages (mild or hot, approximately 14 oz total)

Vegetables

01 2 large bell peppers (any color), sliced into strips
02 1 large red onion, sliced into wedges

Seasonings

01 2 tablespoons olive oil
02 1 teaspoon dried oregano
03 1 teaspoon dried basil
04 ½ teaspoon garlic powder
05 ½ teaspoon crushed red pepper flakes (optional)
06 ½ teaspoon kosher salt
07 ¼ teaspoon black pepper

Garnish

01 Fresh chopped parsley (optional)
02 Fresh basil leaves (optional)

How To

Step 01

Preheat Oven and Prepare Sheet: Preheat the oven to 425°F. Line a large baking sheet with parchment paper or aluminum foil to simplify cleanup.

Step 02

Season Vegetables: In a large mixing bowl, combine the bell peppers and red onion with olive oil, dried oregano, dried basil, garlic powder, crushed red pepper flakes if using, kosher salt, and black pepper. Toss until all pieces are evenly coated.

Step 03

Arrange Sausages and Vegetables: Spread the seasoned vegetables evenly across the prepared baking sheet, then nestle the Italian sausages among the vegetables.

Step 04

Roast to Perfection: Place the baking sheet in the preheated oven and roast for 25 to 30 minutes. Flip the sausages and stir the vegetables halfway through cooking. Roast until sausages reach an internal temperature of 160°F and the vegetables are tender and caramelized.

Step 05

Rest and Serve: Remove the baking sheet from the oven and allow the sausages to rest for 2 to 3 minutes. Slice sausages if desired. Garnish with fresh parsley or basil before serving. Serve warm, alone or accompanied by crusty bread or rice.

Tools Needed

  • Large baking sheet
  • Parchment paper or aluminum foil
  • Large mixing bowl
  • Tongs or spatula

Allergy Details

Always check every ingredient for allergens. Ask your healthcare provider if you aren't sure.
  • May contain allergens depending on sausage ingredients, including gluten, soy, or dairy; verify packaging before use.

Nutrition Details (each serving)

For informational use only, this doesn't replace professional medical guidance.
  • Calorie Count: 370
  • Total Fat: 27 g
  • Carbohydrates: 13 g
  • Proteins: 20 g