Slow Cooker Baked Ziti – Easy Crockpot Pasta with Ground Beef and Mozzarella

Slow Cooker Baked Ziti is a comforting, family-friendly dinner made with tender pasta, seasoned ground beef, rich tomato sauce, and melted mozzarella cheese. It delivers the cozy flavor of traditional baked ziti with the convenience of a slow cooker.

This easy crockpot pasta recipe combines simple pantry ingredients with Italian-inspired seasonings for a hearty meal that requires minimal hands-on preparation. The beef simmers in a flavorful tomato sauce, while the mozzarella adds a cheesy finish everyone will love.

Whether you’re planning a busy weeknight dinner, feeding the family, or preparing a cozy weekend meal, this Slow Cooker Baked Ziti is an easy way to bring classic comfort food to the table.

Quick Recipe Overview

• Prep Time: 15 minutes
• Cook Time: Approximately 3–4 hours on LOW, plus the final pasta cooking time
• Total Time: Approximately 3 hours 30 minutes to 4 hours 30 minutes
• Servings: 6
• Difficulty: Easy
• Cuisine: Italian-American
• Course: Main Course
• Cooking Method: Slow Cooker

Ingredients

• 1 pound ground beef
• 1 onion, finely chopped
• 2 cloves garlic, finely minced
• 1½ teaspoons salt
• 1 teaspoon dried basil
• 1 teaspoon dried parsley
• 1 can diced tomatoes, with liquid (28 oz or 798 ml)
• 2½ cups marinara sauce
• 2½ cups low-sodium chicken broth
• 4 cups dry penne or ziti pasta (340 g)
• 2 cups shredded mozzarella cheese

Step-by-Step Instructions

Step 1: Brown the Ground Beef

In a large skillet over medium heat, cook the ground beef with the chopped onion for about 6–8 minutes, breaking the meat into small pieces as it cooks. Continue until the beef is browned and the onion has softened.

Drain excess grease if necessary. Add the minced garlic and cook for another 30–60 seconds, until fragrant.

Step 2: Combine the Sauce Ingredients

Transfer the beef mixture to your slow cooker. Add the salt, dried basil, dried parsley, diced tomatoes with their liquid, marinara sauce, and chicken broth.

Stir thoroughly to distribute the seasonings and combine the tomato sauce with the beef.

Step 3: Slow Cook the Sauce

Cover and cook on LOW for approximately 3–4 hours, or until the sauce is hot and the flavors have blended.

Cooking times vary by slow cooker, so check that the sauce is simmering gently before adding the pasta.

Step 4: Add the Pasta

Stir the dry penne or ziti into the hot sauce, making sure the pasta is mostly submerged in the liquid. Cover and cook on HIGH for approximately 20–40 minutes, stirring after about 15 minutes if possible.

Check the pasta frequently toward the end of cooking. It should be tender but still hold its shape. Slow cookers vary considerably, so the pasta may need more or less time.

Important tip: Pasta can become mushy if left in the slow cooker too long. For the most reliable texture, you can cook the pasta separately in boiling water until just shy of al dente, drain it, and stir it into the finished sauce instead.

Step 5: Add the Mozzarella Cheese

Once the pasta is tender, sprinkle the shredded mozzarella evenly over the top. Cover and cook for another 10–15 minutes, or until the cheese has melted.

For a more even finish, gently stir some of the cheese through the pasta before adding the remaining cheese on top.

Step 6: Serve and Enjoy

Turn off the slow cooker and let the baked ziti rest for about 5 minutes. Spoon into bowls and serve while warm and cheesy.

Garnish with fresh parsley or basil if desired.

Recipe Tips for Success

• Brown the beef first: This adds flavor and allows you to drain excess grease before the meat goes into the slow cooker.
• Use the pasta carefully: Dry pasta can cook unevenly in a slow cooker. Stir it well into the sauce and check it early and often.
• Choose a good marinara sauce: A flavorful tomato sauce provides much of the dish’s Italian-inspired taste.
• Use freshly shredded mozzarella: It usually melts more smoothly than pre-shredded cheese.
• Avoid overcooking: Turn off the slow cooker as soon as the pasta reaches your preferred texture.
• Adjust the consistency: If the sauce becomes too thick, stir in a small amount of hot broth. If it seems too thin, allow it to rest uncovered briefly after cooking.

Ingredient Substitutions

• Ground beef: Substitute ground turkey or ground chicken for a lighter variation.
• Pasta: Use ziti, penne, or a similar short pasta shape. Cooking times may differ.
• Mozzarella: Substitute an Italian cheese blend or combine mozzarella with a little Parmesan.
• Chicken broth: Beef broth or vegetable broth can be used, although the flavor will change slightly.
• Marinara sauce: Use your favorite tomato pasta sauce. If it is heavily seasoned or salty, adjust the added salt to taste.
• Fresh onion and garlic: Onion powder and garlic powder can work in a pinch, but fresh ingredients provide better flavor.

Recipe Variations

Cheesy Three-Cheese Baked Ziti

Add ricotta and grated Parmesan along with the mozzarella for a richer, creamier result. Stir the ricotta through the pasta near the end of cooking.

Spicy Slow Cooker Baked Ziti

Add red pepper flakes or a pinch of cayenne pepper to give the tomato sauce a little heat.

Vegetable Baked Ziti

Stir in chopped bell peppers, mushrooms, or spinach for extra vegetables. Add delicate vegetables toward the end to prevent them from becoming too soft.

Italian Sausage Baked Ziti

Replace some or all of the ground beef with Italian sausage for a more pronounced savory flavor.

Meatless Baked Ziti

Skip the beef and use sautéed mushrooms, diced zucchini, or a plant-based ground alternative. Vegetable broth can replace the chicken broth.

Storage and Reheating

Refrigeration: Allow leftovers to cool, then transfer them to an airtight container. Refrigerate within 2 hours and use within 3–4 days.

Reheating: Warm individual portions in the microwave, stirring halfway through. Add a splash of broth or water if the pasta has absorbed too much sauce. Larger portions can be reheated in a covered oven-safe dish at 350°F (175°C) until heated through.

Freezing: Freeze cooled portions in airtight, freezer-safe containers for up to 2–3 months for best quality. Pasta may soften after thawing, but the flavor should remain enjoyable. Thaw overnight in the refrigerator before reheating.

Slow cooker safety: Avoid leaving cooked pasta on the warm setting for an extended period, as it can become overly soft.

Serving Suggestions

Serve Slow Cooker Baked Ziti with:

• Garlic bread or warm Italian bread for soaking up the tomato sauce.
• A crisp green salad with a simple vinaigrette.
• Roasted broccoli, green beans, or zucchini.
• Extra grated Parmesan and fresh basil.
• A simple cucumber and tomato salad for a refreshing contrast.

Nutrition Information

Estimated per serving, based on 6 servings. Actual values depend on the specific brands and ingredients used.

• Calories: 480–560
• Protein: 27–33 g
• Carbohydrates: 48–58 g
• Fat: 17–24 g
• Saturated Fat: 7–10 g
• Fiber: 4–6 g
• Sugar: 7–11 g
• Sodium: 800–1,200 mg

Frequently Asked Questions

Can I put uncooked pasta directly into the slow cooker?

Yes. For this recipe, the dry pasta is added after the sauce has cooked. Make sure the pasta is well coated and mostly submerged, then check it frequently because slow cookers vary in temperature. Cooking the pasta separately is the more reliable option if you want precise control over its texture.

Do I need to brown the ground beef first?

Browning the beef first is strongly recommended. It improves the flavor and makes it easier to remove excess grease. It also helps the beef cook evenly before it is added to the sauce.

Can I cook this recipe on HIGH from the beginning?

You can, but the sauce may develop less depth of flavor and may heat unevenly depending on your slow cooker. Cooking the sauce on LOW first, then adding the pasta near the end, is a practical approach for better texture.

Why did my pasta turn mushy?

Pasta can overcook quickly in a slow cooker, particularly if it remains in hot liquid after becoming tender. Check it early, turn off the slow cooker as soon as it is done, and avoid holding it on the warm setting for too long.

Can I make Slow Cooker Baked Ziti ahead of time?

You can prepare and refrigerate the browned beef and sauce separately, then reheat the sauce in the slow cooker before adding the pasta. For the best pasta texture, cook the pasta shortly before serving rather than leaving it in the sauce for hours.

Can I use a different type of cheese?

Absolutely. Mozzarella gives the dish its familiar stretchy, cheesy topping, while Parmesan adds a sharper flavor. An Italian cheese blend is also a convenient alternative.

How do I know when the dish is ready?

The pasta should be tender but not falling apart, the sauce should be bubbling gently, and the mozzarella should be fully melted. If using ground beef, ensure it reaches a safe internal temperature of 160°F (71°C) during cooking.

Final Thoughts

Slow Cooker Baked Ziti is a hearty, comforting dinner that brings together ground beef, tomato sauce, pasta, and melted mozzarella with relatively little hands-on effort. Brown the beef for extra flavor, add the pasta near the end, and keep a close eye on its texture for the best results.

Serve it with garlic bread and a fresh salad for an easy family meal that is simple to adapt to your favorite ingredients.

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