Foolproof easy Sausage Pasta Bake captures the comforting, classic Italian flavors with less effort. Savory sausage and crispy bacon are simmered in a rich, homemade tomato sauce, then layered with al dente penne and melty Italian cheeses. It’s Sunday-dinner decadence made simple enough for any night of the week.

A bowl of freshly cooked pasta is the ultimate comfort food, especially on cold, dreary evenings. While Sausage Stuffed Shells, Lemon Garlic Shrimp Linguine, or Bacon Mushroom Risotto. This Easy Sausage Pasta Bake delivers all the cozy, classic Italian flavors you crave-savory sausage, crispy bacon, perfectly cooked penne, and a bubbly, cheesy topping-without the hassle of lasagna.
Meal prep is a big sunday afternoon routine for us and pasta is is one of my husbands favorites. In fact, I have made this dish for year’s for his lunches, but it’s a base that I change often (and never wrote an actual recipe for!) so I wasn’t sure how to create it for the blog.
Reasons why this recipe will become one of your secret favorites for meal prepped lunches or delicious dinners:
- It’s a tasty way to use the bits of leftover veggies. What else can you do with a single mushroom?!
- Easy to prepare ahead of time; a delicious addition to your weekly meal prep lineup.
- The leftovers reheat like a dream…you won’t be tossing this out at week’s end!
- Recipe is forgiving and extremely easy to customize.
- Full of classic Italian flavor like garlic, basil, tomato, and Parmesan.
Ingredients and Notes
An overview of the ingredients you will need, along with any notes or substitutions.

Italian Sausage. You can use sweet or mild or even spicy Italian sausage if you like.
Bacon. The smokiness of bacon is the perfect addition. I also regularly sub in kielbasa, ground beef and even prosciutto, like in my creamy chicken marsala pasta recipe.
Pasta. I like how forgiving penne is for baked dishes, so that’s what I use. Ziti, Elco Idali, and Rigatoni are great substitutes.
Tomato Sauce/Crushed Tomatoes. We’re essentially making our own sauce for this, but your favorite store bought sauce is also perfectly fine if you want to speed it up. For the homemade sauce, I think crushed tomatoes are the best hearty texture, but you could use canned tomato sauce too.
Vegetables. You need about 1-2 cups of vegetables for the sauce. I use ¾ cup diced onion and about ½ cup of shredded carrots to sweeten the sauce; you won’t taste the carrots at all. I grab whatever is in the fridge to make up the rest of my veggie mix: mushrooms, peppers, zucchini, sun dried tomatoes, yellow squash, spinach, etc.
Cheeses. Parmesan and shredded mozzarella are the classics. Feel free to mix in other soft, shredded cheeses like gouda, provolone, or fontina. Also, you could layer dollops of ricotta in the center to change it up.
Recipe Tips
Honestly, I don’t believe in rehashing the recipe card instructions, but I like to include a visual to guide you through the recipe and answer questions for first time makers. Don’t worry, this one’s a breeze!

Cook the pasta (photo 1). Prepare the pasta al dente. I usually cook it a few minutes less than the directed cooking time on the package. As soon as the pasta is firm but not crunchy, pull it but don’t rinse it. You can see in the photo that the pasta is pliable but firm.
Render the bacon (photo 2 – after cooking). Bacon slices tend to ripple when sauteing, which can lead to an uneven cook. I recommend cutting it into smaller pieces first for an even cook with minimal burnt edges.
Cook the veggies (photo 3- before adding the sausage to cook). I petite dice my vegetables or put them in a food processor before cooking to the desired texture. Chunkier or more petite for whatever texture you prefer.
Make the tomato sauce (photo 4-just before adding the pasta back in).
Layer the baking dish. If your pot isn’t big enough to mix the noodles back in, spread a bit of sauce on the bottom of the baking dish to keep them from sticking, then layer the noodles, sauce, and cheese. I like to layer ½ the cheese in the middle so it spreads throughout the dish rather than a thick layer on top.
Reheating
This easy recipe keeps and reheats amazingly both in the oven and in the microwave.
- OVEN: If reheating refrigerated leftovers, cover the entire pan with foil and bake at 350 degrees for approximately 30 minutes or until hot and bubbly.
- MICROWAVE: You can also reheat individual servings in the microwave by transferring to a microwave safe plate and microwaving for 90 seconds. I usually cut it up with a fork to evenly heat in the microwave without cold spots. Continue to microwave at 30 second intervals until heated through.

FAQs
Garlic Bread
Garden Salad with Italian or White Balsamic Dressing
Herbed Mediterranean Salad (sans the Salmon)
Finish with a decadent slice or Tiramisu, Chocolate Cheesecake, or Sultry Chocolate Bundt Cake
Leftover penne pasta dishes are amazing! It keeps for 4-5 days in an airtight container in the refrigerator.
Everything is precooked, so you can freeze before baking in this scenario. I pop it in the oven frozen and bake covered for about 50-60 minutes, or until the cheese is melted and everything is cooked through. In an airtight freezer container, this recipe should keep 3-4 months.
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Sausage Pasta Bake
Ingredients
- 1 pound penne pasta about 5 cups – ziti, elcoidali, and rigatoni will also work
- 1 tablespoon butter
Sauce
- 8 ounces Bacon diced
- ¾ cup Yellow Onion petite diced
- 1 cup Vegetables petite diced, *see note for ideas
- 4 cloves Garlic minced, about 4 teaspoons
- 1 ½ teaspoons Fennel Seeds
- 1 teaspoon Basil
- 1 pound Italian Sausage ground or casings removed
- 28 ounces Crushed tomatoes
- ¼ cup Heavy Cream
- ½ teaspoon Black Pepper
- ½ teaspoon Sea Salt
- ½ cup Shredded Parmesan divided
- 12 ounces Shredded Mozzarella divided
- 2 tablespoon Parsley (optional – for garnish)
Instructions
- Preheat oven to 350℉ (180℃). Prepare all of your veggies and cut 8 ounces Bacon into pieces.
- Bring a large pot of water to boil and cook 1 pound penne pasta until just pliable. The pasta should be al-dente but not crunchy, typically 1-2 minutes less than the suggested cook time. Drain and set aside. If desired, toss the noodles in 1 tablespoon butter (melted). I don't add butter here but it's common practice.
- Cook your bacon in a large skillet or Dutch oven over medium-high heat, until crisp but not blackened, about 10-13 minutes. Remove with a slotted spoon and set aside on paper towel lined plate, leaving the drippings behind. If your bacon didn't render much fat, add 1 tablespoon of butter.
- Adjust heat to medium and add ¾ cup Yellow Onion and 1 cup Vegetables. Cook until they start to soften, about 3 minutes. Add 4 cloves Garlic, 1 teaspoon Basil and 1 ½ teaspoons Fennel Seeds. Cook until the garlic becomes fragrant and browns, approximately 2 minutes.
- Add 1 pound Italian Sausage. Cook, breaking up with a wooden spoon until nearly cooked through, about 5 – 6 minutes.
- Add 28 ounces Crushed tomatoes and ¼ cup Heavy Cream to the sausage mixture and bring to a gentle simmer.
- Return cooked bacon to the skillet plus ½ teaspoon Black Pepper and ½ teaspoon Sea Salt to taste. Reserve a cup of the sauce and set aside. Mix the cooked pasta into the remainder of the sauce.
- Build the pasta dish. In a 9 x 13-inch baking dish (22cm x 33cm) place half of the pasta mixture. Sprinkle about 4 ounces mozzarella and ¼ cup Parmesan.
- Top with the remaining pasta then evenly distribute the extra cup of sauce over the top. Top with the remaining mozzarella and remaining Parmesan.
- Bake uncovered in the oven until the top is golden brown, about 20 minutes. If you enjoy a slightly crisped upper crust, switch the oven to broil for the last 1-2 minutes. Watch the dish carefully- it can burn! Remove dish from the oven and allow a 10-minute cool down before serving. Sprinkle with 2 tablespoon Parsley as desired. Enjoy!





Rachel says
Thank you for coming to the comment section. Here you can leave me your feedback with a star rating. Readers, like yourself, can find comments helpful when they are considering making one of my recipes. I hope you love this one as much as I do!