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Dinner · Part 1 of 3: Ingredients

Crockpot Italian Sausage and Pepper Baked Ziti

A close-up of a bowl filled with steaming ziti, topped with melted, gooey provolone cheese and colorful bell peppers.
Prep
Cook
Total
Serves
6
Includes 5 min resting

Searching for a dinner that handles itself while you focus on your busy day? This slow cooker baked ziti delivers all the classic Italian flavors you crave without the need for boiling water or watching a stovetop. By layering raw ingredients directly into the slow cooker, you create a cohesive, flavorful meal that is perfect for families or meal prepping for the week ahead.

Baked ziti is a beloved comfort food, but traditional methods often require multiple pots and constant attention. This version simplifies the process by utilizing the slow cooker to marry the flavors of Italian sausage, crisp green peppers, and savory marinara sauce.

The pasta cooks directly in the sauce, absorbing every bit of flavor while the sausage browns and infuses the dish with its rich, aromatic profile. It is a straightforward, reliable way to prepare a filling dinner.

Ingredients

Makes 6 servings · serves 6

Main Ingredients

  • 1 lb Italian sausage, casings removed
  • 2 medium green bell peppers, chopped
  • 1 packet Italian seasoning blend
  • 32 oz marinara sauce
  • 1 lb ziti pasta, uncooked
  • 1 cup shredded provolone cheese
Contains: gluten, milk

Why this recipe works

The slow cooking method allows the Italian sausage to render its fat, which then coats the pasta and peppers, creating a rich and flavorful sauce base that permeates the entire dish.

Because the pasta cooks directly in the marinara and sausage juices, it achieves a perfect texture while soaking up all the savory notes, resulting in a deeper, more integrated flavor profile than boiling pasta separately.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

This approach minimizes cleanup and effort by combining all components into one vessel. The slow, steady heat ensures that the bell peppers soften without becoming mushy, maintaining a pleasant bite.

By finishing the dish with a layer of provolone, the residual heat creates a golden, melted topping that pulls everything together, providing a satisfying, gooey finish that defines a great baked pasta dish.

Notes and substitutions

For the best results, use a high-quality marinara sauce, as it serves as the primary liquid and flavor base for the pasta. If the sauce is particularly thick, a small splash of water or broth can be added to ensure the ziti cooks evenly. Mild or spicy Italian sausage can be used depending on your preference for heat, though mild is the standard choice for this recipe.

A standard 6-quart oval slow cooker is ideal for this recipe to allow for proper heat distribution. If using a smaller unit, ensure the ingredients do not overflow, as the pasta will expand during the cooking process.

Provolone is recommended for its excellent melting properties and mild, tangy flavor, but mozzarella works equally well if you prefer a more traditional, milder cheese profile.

  • Italian sausage: Ground turkey or mild Italian-style plant-based crumbles.
  • Provolone cheese: Mozzarella or shredded Monterey Jack cheese.

Equipment

  • Slow cooker
  • Chef's knife
  • Cutting board
  • Measuring cups

Coming up in Part 2: the method

  1. Layering the ingredients · 2 stepsAssemble the base · Add aromatics and seasoning
  2. Slow cooking the ziti · 2 stepsIncorporate pasta and sauce · Slow cook the dish
  3. Melting the cheese · 1 stepMelt the cheese

Up next · Part 2 of 3

5 steps · 4 h of cooking · what to look for at each stage

Step-by-step instructions (Part 2)