Dinner · Part 2 of 3: Instructions
Slow Cooker Pepperoni Sausage Baked Ziti Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 8
Before you start
Before starting, remove the Italian sausage from the refrigerator and let it sit for 10 minutes while you prep. Cut the cream cheese into chunks so it melts faster. Measure the marinara sauce and seasonings.
Have all the ingredients ready by the slow cooker. You will need a large skillet for browning the sausage. If you want to shred your own mozzarella, do that now and keep it in a bowl. No need to boil the pasta—it will cook in the slow cooker.
Ingredients at a glance (7)
- 6 oz thick-cut pepperoni slices
- 1 lb Italian sausage, casings removed
- 1 lb ziti pasta
- 4 cups sweet basil marinara sauce
- 2 tsp Italian herb seasoning
- 8 oz cream cheese, softened and cut into chunks
- 2 cups shredded whole-milk mozzarella
Instructions
Layer and Brown
- Brown the sausage and layer the slow cookerHeat a large skillet over medium-high heat. Add the Italian sausage, breaking it into crumbles with a wooden spoon. Cook until browned and cooked through, about 6-8 minutes. Drain any excess fat. Transfer the sausage to the slow cooker. Add the pepperoni slices, ziti, marinara sauce, and Italian herb seasoning. Stir gently to combine.Look for The sausage is crumbled and browned, and the pasta is coated in the red sauce.Safe temperature 160°F (71°C) internal temperature (ground meat)Tip Do not cook the ziti first; it will cook in the slow cooker and absorb the sauce.
- Add the cream cheese and mozzarellaPlace the chunks of cream cheese on top of the pasta mixture. Sprinkle the shredded mozzarella evenly over the top. Do not stir.Look for The cream cheese sits in the center and the mozzarella covers the surface.Tip Leaving the cheese on top helps it melt into a creamy layer as the slow cooker works.
The sausage is browned and drained, and the slow cooker is filled with pepperoni, ziti, marinara, and herbs.
The cream cheese and mozzarella sit on top, creating a white layer against the red sauce. The aromas of garlic, basil, and pepperoni start to fill the kitchen. Everything is ready for slow cooking.
Slow Cook and Melt
- Cook on low until the pasta is tenderCover the slow cooker and cook on low for 3 to 4 hours, or until the ziti is tender and the sauce is bubbling. Stir gently halfway through if possible, but avoid over-stirring the cheese. The dish is done when the pasta is al dente and the cheese is melted and creamy.Look for The sauce bubbles at the edges and the cheese is fully melted.Tip Cooking times can vary; start checking at 3 hours. If the pasta is still firm, continue cooking.
After a few hours, the sauce is bubbling around the edges, and the cheese has melted into a creamy, golden layer. The ziti is tender when pierced with a fork. The whole dish smells like a pizzeria. Stir gently to combine the cheese into the sauce, and it turns a rich orange-brown.
Serve and Enjoy
- Serve the baked zitiStir the mixture gently to incorporate the melted cheese into the sauce. Spoon the baked ziti onto warm plates or into bowls. Serve hot, with extra grated Parmesan or crushed red pepper if desired.Look for The cheese stretches as you scoop, and the sauce is thick and coating the pasta.Tip Let the dish rest for a few minutes after stirring so the sauce thickens slightly.
The baked ziti is spooned onto plates, with cheese stretching from the spoon. The sauce is thick and clings to the pasta, and the pepperoni curls at the edges. Each bite has savory sausage, salty pepperoni, and creamy cheese. Serve hot with a sprinkle of Parmesan.
Common mistakes
One common mistake is cooking the pasta too long, which turns it mushy. Check at 3 hours and stop as soon as it's tender. Another is using too much sauce, which floods the pasta; 4 cups is enough.
Don't stir the cheese into the sauce too early—leave it on top so it melts into a creamy layer. If the dish looks dry at 3 hours, add a splash of water or extra marinara. Finally, don't skip browning the sausage; it adds essential flavor.
How to tell it’s done
The baked ziti is done when the pasta is tender but still holds its shape, and the sauce is bubbling at the edges of the slow cooker. The cheese should be completely melted and creamy.
To be safe, the sausage must reach an internal temperature of 160°F (71°C); it will be well past that after browning and slow cooking. If the pasta is still firm, continue cooking for another 30 minutes and check again. The dish should be thick and saucy, not watery.
- Ground meat: 160°F (71°C) in the thickest part
Up next · Part 3 of 3
4 variations · storage & make-ahead · 5 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)