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Cheesy pasta casserole served warm with fresh parsley on top

Slow Cooker Baked Ziti

Hearty Slow Cooker Baked Ziti made with penne, ground beef, ricotta, tomato sauce, basil, Parmesan, and mozzarella for an easy cheesy pasta dinner.
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Course: Main Course, Pasta
Cuisine: Italian-American
Keyword: Slow Cooker Baked Ziti
Prep Time: 15 minutes
Cook Time: 2 hours
Total Time: 2 hours 15 minutes
Servings: 8

Ingredients

  • 1 lb ground beef cooked thoroughly
  • 2 jars Italian pasta sauce
  • 1 box penne pasta 16 oz, uncooked
  • 15 oz ricotta cheese
  • 15 oz tomato paste
  • 2 large eggs beaten
  • 1/3 c basil
  • 2 c Parmesan cheese freshly shredded
  • 1 c mozzarella cheese freshly shredded

Instructions

  • In a mixing bowl, combine the ricotta cheese, beaten eggs, and basil. Mix until fully incorporated.
  • In a separate bowl, combine the tomato paste with the Italian pasta sauce. Stir until smooth and evenly blended.
  • Lightly grease the inside of the slow cooker.
  • Spread 2 1/3 c sauce evenly over the bottom of the slow cooker.
  • Add approximately 1/3 of the uncooked penne pasta over the sauce.
  • Spoon a portion of the ricotta mixture over the pasta and spread it as evenly as possible.
  • Sprinkle 1 c freshly shredded Parmesan cheese over the ricotta layer.
  • Add the cooked ground beef in an even layer.
  • Spoon additional sauce over the ground beef.
  • Add another 2 1/3 c sauce over the layer.
  • Place another layer of uncooked penne pasta over the sauce.
  • Spoon another layer of the ricotta mixture over the pasta and spread evenly.
  • Sprinkle the remaining Parmesan cheese over the ricotta layer.
  • Add the remaining uncooked pasta on top of the Parmesan layer.
  • Pour the remaining sauce evenly over the top, ensuring the pasta is well covered.
  • Cover the slow cooker and cook on high for 2 to 3 hours, or until the penne is tender but still al dente.
  • During the final few minutes of cooking, sprinkle the freshly shredded mozzarella cheese over the top.
  • Cover again and allow the mozzarella to melt completely.
  • Serve warm with garlic breadsticks, if desired.

Notes

To make this Slow Cooker Baked Ziti gluten free, replace the regular penne with a sturdy gluten-free penne pasta. Choose a brand made from corn, rice, or a gluten-free blend that holds its shape well during cooking.
Because gluten-free pasta can soften faster than traditional pasta, begin checking for doneness earlier, around the 1 1/2 to 2 hour mark. Make sure the pasta is fully covered with sauce while cooking to prevent dry or unevenly cooked pieces.
Also verify that the Italian pasta sauce, tomato paste, ricotta, Parmesan, mozzarella, basil, and ground beef are gluten free. Some jarred sauces, cheeses, and packaged seasonings may contain gluten-based additives or be processed in shared facilities.