This is how long to cook Italian sausage in oven with peppers and onions at 400 degrees for a quick, cheap pork dinner you can serve on hoagie rolls or with rice. If you loved our Crockpot Sausage and Vegetables recipe but want a crispier outside with that snap you’re going to love this way to bake them on a sheet pan.

How to Cook Sausage in Oven
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Italian sausage in oven is a quick meal. Add some peppers in there and it is almost like a baked stir fry you can make in under 30 minutes. We will talk about How to Cook Bratwurst in the Oven, raw Italian sausages or kielbasa will take even less time. Easy sheet pan meal that costs less than ten bucks to feed everyone. (affiliate links present)

How Long to Bake Italian Sausage in Oven

This is the pork sausage we are talking about, not Sausage Patties in Oven you make for breakfast, though you could do the same thing with those. The type of sausage (flavor or brand) doesn’t really make a difference, the size will vary the cooking time though. In general 20 minutes does the trick though. 😉

What is the best temperature to cook Italian sausage?

For both these and our Venison Sausage 400 degrees is the best yet. You want a snap on the outside with tender middle, this does just that. To cook in the oven you just need a baking sheet lined with parchment or non stick aluminum foil for easier clean up. Bake sausages with the casing on or remove it with a sharp knife at the beginning.

How to Cook Johnsonville Sausage

Ingredients

  • 4-6 sweet Italian sausages we love, fresh is best or frozen links
  • 3 bell peppers sliced
  • 1 onion sliced
  • 2 tbsp olive oil
  • salt and pepper to taste

You can still add the bell peppers and sliced onions along with those if you want too. Biggest thing to remember is everything needs to be in a single layer so they get tender. Overlapping will not allow the heat to surround your pieces adequately. OR cook veggies separate like Cabbage and Bacon Recipe on the stove at the same time.

How to Bake Italian Sausage

Sausage and Peppers at 400

  • Preheat oven temperature to 400 F and line a baking sheet with parchment paper.
  • Place sausages in a single layer on the baking sheet. Set aside.
  • Cut and seed peppers, slice and place into a bowl with the onions.
  • Add oil and mix well. Season with salt and pepper. Sprinkle peppers and onions around the sausage on the pan.
  • Cook Italian sausages for 20 minutes or until the internal temperature of the sausage is 160 degrees and outsides are as browned as you’d like.
  • Remove and serve immediately.

Like How to Cook a London Broil in the Oven you want to check often so they don’t over-cook and dry out.

Frozen Sausage in Oven

Believe it or not it doesn’t really matter as far as the baking or Johnsonville Italian Sausage Air Fryer timing goes whether they are frozen or fresh!! With either of these you always need to check the internal temperature before consuming to ensure it is 160 F when done. Even if they take a bit longer because of their thickness the veggies can take a bit more baking.

We have cooked air fryer frozen sausage this way and I was surprised at how easy it was, fast, and the outcome was super delicious.

in the air fryer

If you wanted to make Air Fryer Sausage and Potatoes you could. Now remember that you want everything to be done at the same time so you want to dice those into small pieces. What I do once in 1″ squares I will toss with some olive oil, add seasonings, toss in a bowl and spread out on to the sheet pan.

in slow cooker

So for years we used this brand to make our Crockpot Cabbage and Sausage recipe. That one turns out amazingly well but I don’t always have all day to cook dinner. If I only have 30 minutes to throw something together that is hearty, protein packed and full of flavor this is always a family favorite meal.

frozen sausage in oven

Now you can often times find them connected at your local butcher shop. Those are kinda’ fun when serving. You will need a large pan in order for them to fit, and may not have space for the veggies.

How to Cook Rope Sausage in the Oven

  1. First preheat your oven to 375°F.
  2. If in casings, you can leave them intact for cooking. If you prefer, you can pierce the sausages a few times with a fork to allow excess fat to escape while cooking. This can help prevent the sausages from bursting.
  3. For extra flavor and color, you can sear in a skillet before transferring them to the oven. Heat a skillet over medium-high heat, add a small amount of olive oil if desired, and sear until they’re browned on all sides. This step is optional but can enhance the overall taste and appearance.
  4. If you like, you can rub or brush the outsides with olive oil and sprinkle them with your favorite seasonings, such as herbs, spices, or a BBQ rub.
  5. Place on a baking tray lined with parchment paper or aluminum foil. You can also place a wire rack on the baking tray to elevate the sausages and allow excess fat to drip away during cooking.
  6. Place the baking tray in the preheated oven. Bake for about 20-25 minutes, turning once halfway through cooking. Cooking times may vary based on the thickness of the string and your oven’s characteristics.
  7. They are ready when they reach an internal temperature of 160°F (71°C) for pork-based sausages and 165°F (74°C) for poultry-based. Use a meat thermometer to check the temperature by inserting it into the thickest part of the sausage.
  8. While they are resting, you can use the baking tray to cook onions and bell peppers in the residual fat and juices. This creates a flavorful topping to accompany your meal.
  9. Serve with your favorite sides, such as on buns with our hot dog mustard, vegetables, salads, or condiments.

Cooking rope sausage in the oven is a straightforward method that yields delicious and evenly cooked results, making it a great option for a variety of dishes and occasions.

How to Cook Chicken Sausage in Oven

How to Cook Chicken Sausage in Oven

Now let’s answer a few questions you might have before you get started. First off if you have leftovers they save quite well if packaged up properly from the get go. Let them cool first. Seal in airtight freezer bags and you can reheat the next day, or slice and make into one of our Crockpot Sausage Recipes.

How long does it take to cook sausages in the oven?

About 20 minutes is perfect for raw sausage in oven to reach the safe internal temperature of 160 degrees F. This will vary depending on thickness and size but typically you’ll achieve tender insides with a crisp snap in the casing. Precooked kielbasa can be cooked in half that time since you’re just warming it up.

Do you need to flip sausages in the oven?

It isn’t entirely necessary unless you want to make sure you get a golden brown crispness on the outsides all the way around. If so you will want to rotate them to the other side halfway thru and not overlap any vegetables, onions or peppers on the top of them.

How to Cook Sausage in Oven
5 from 1 vote

Italian Sausage in Oven 400

By The Typical Mom
This is how long to cook Italian sausage in oven 400 with peppers and onions for a quick, cheap pork dinner you can serve on hoagie rolls or with rice.
Prep: 15 minutes
Cook: 20 minutes
Servings: 4
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Equipment

  • 1 baking sheet

Ingredients 

  • 4-6 sausages, fresh or frozen links
  • 3 bell peppers, sliced
  • 1 onion, sliced
  • 2 tbsp olive oil
  • salt and pepper, to taste

Instructions 

  • Preheat oven to 400 F and line a baking sheet with parchment paper. Place sausages in a single layer on the baking sheet. Set aside.
  • Cut and seed peppers, slice and place into a bowl with the onions. Add oil and mix well. Season with salt and pepper. Sprinkle peppers and onions around the sausage on the pan.
  • Bake for 20 minutes or until the internal temperature of the sausage is 160 degrees and outsides are as browned as you'd like. Remove from oven and serve immediately

Video

Nutrition

Serving: 2oz, Calories: 354kcal, Carbohydrates: 8g, Protein: 14g, Fat: 30g, Saturated Fat: 9g, Polyunsaturated Fat: 4g, Monounsaturated Fat: 15g, Trans Fat: 0.2g, Cholesterol: 61mg, Sodium: 545mg, Potassium: 439mg, Fiber: 2g, Sugar: 5g, Vitamin A: 2859IU, Vitamin C: 117mg, Calcium: 20mg, Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Entree, Main Course
Cuisine: American, Italian
Tried this recipe?Mention @thetypical_mom or tag #thetypicalmom!

About The Typical Mom

Justine is the creative mind behind The Typical Mom and The Typical Family on YouTube. She began blogging about easy recipes, budget friendly activities for kids, and fun family travel destinations in September 2012.

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