This easy Crockpot Spaghetti recipe is a comforting dump-and-go dinner made with ground beef or Italian sausage, jarred marinara sauce, diced tomatoes, seasonings, water, and dry spaghetti. Brown the meat and onion first for the best flavor, slow-cook the sauce, then add the broken spaghetti during the final 30 to 60 minutes so the noodles cook tender without turning mushy.
The finished pasta is hearty, saucy, and family-friendly, with savory meat, tender onions, Italian herbs, and plenty of rich tomato flavor in every bite. Serve it with Parmesan or mozzarella for a simple weeknight meal that feels like a cozy Sunday dinner, even when your schedule is busy.
Jump to RecipeWhy You’ll Love This Recipe
This Crockpot Spaghetti recipe brings together everything busy cooks want in a weeknight dinner: familiar ingredients, a rich homemade-tasting sauce, and very little active cooking. The slow cooker does most of the work while the flavors mingle and the meat becomes tender.
It is also flexible enough for different preferences. Use ground beef for a classic meaty sauce or choose Italian sausage when you want extra seasoning and a slightly bolder flavor.
The important trick is to treat the pasta as the finishing ingredient rather than adding it at the start. This keeps the noodles from sitting in hot liquid for hours, which helps them remain tender instead of soft and overcooked.
If you enjoy making comfort food with a slow cooker, our crockpot bread recipe makes a cozy companion for soaking up every bit of tomato sauce.
Ingredients You’ll Need
The ingredient list is short, practical, and easy to find at any grocery store. Jarred spaghetti or marinara sauce provides the tomato foundation, while undrained diced tomatoes add texture and extra moisture for cooking the noodles.
- Meat: Choose one pound of ground beef or Italian sausage.
- Aromatics: Half a medium diced onion and one teaspoon of minced garlic build a savory base.
- Tomato ingredients: Use one 24-ounce jar of spaghetti or marinara sauce and one 14.5-ounce can of undrained diced tomatoes.
- Seasonings: Italian seasoning, salt, and black pepper keep the flavor balanced and familiar.
- Cooking liquid: Three cups of water help the dry spaghetti cook completely.
- Pasta: Twelve ounces of dry spaghetti, broken in half, fits more easily in the slow cooker.
- Cheese: Finish with grated Parmesan or shredded mozzarella if desired.
Because the diced tomatoes are added with their liquid, do not drain the can. That moisture is part of the sauce and helps create the right consistency for the final pasta.
How to Make It Step-by-Step
Step 1: Brown the meat and onion in a skillet over medium heat before assembling the slow cooker. Break the meat into small crumbles as it cooks, and continue until the meat is fully cooked and the onion is tender; then drain away excess fat.
Step 2: Transfer the browned meat and onion to the slow cooker. Add the minced garlic, jarred spaghetti or marinara sauce, undrained diced tomatoes, Italian seasoning, salt, black pepper, and three cups of water.
Step 3: Stir the sauce mixture well, scraping around the bottom and sides so the ingredients are evenly combined. Cover the slow cooker and cook on LOW for about 6 hours, or on HIGH for about 3 to 4 hours, until the meat is fully cooked and the sauce is hot.
Step 4: Break the spaghetti strands in half during the final stage of cooking. Add them to the hot sauce and push them below the liquid with a spoon or spatula, arranging them as evenly as possible.
Step 5: Continue cooking on HIGH for approximately 30 to 60 minutes, stirring once or twice as the noodles soften. Begin checking after about 30 minutes because slow cookers differ, and stop cooking as soon as the spaghetti is tender.
Step 6: Spoon the spaghetti into bowls while it is hot. Sprinkle each serving with Parmesan or mozzarella, and offer extra cheese at the table for a comforting finish.
For a full low-setting schedule, plan on roughly 6 1/2 to 7 hours total, including the final pasta cooking period. If you use the HIGH setting for the sauce, the dinner usually takes about 3 1/2 to 5 hours depending on when the pasta becomes tender.
Chef Tips for Perfect Slow-Cooker Spaghetti
Browning the meat is worth the extra skillet. It develops deeper savory flavor, limits the amount of grease in the finished sauce, and gives the meat a pleasantly crumbly texture.
Although some dump-and-go versions add raw meat directly to the slow cooker, browning is the preferred approach for this recipe. If you do cook meat separately, drain it thoroughly before combining it with the tomato ingredients.
- Keep the pasta for last: Dry spaghetti should not cook for the entire six-hour LOW period.
- Submerge every strand: Noodles above the liquid can remain firm, stick together, or cook unevenly.
- Stir carefully: One or two gentle stirs are enough once the pasta has softened.
- Check early: Start testing the noodles at about 30 minutes on HIGH during the final stage.
- Serve promptly: Spaghetti continues absorbing sauce as it stands, so it is best enjoyed soon after it becomes tender.
For another cozy pasta idea, take a look at our spaghetti and meatball soup when you want similar Italian-inspired flavors in a spoonable bowl.
Serving Ideas and Pairings
A shower of Parmesan adds salty, nutty flavor, while shredded mozzarella melts into soft, creamy strands over the hot noodles. You can also place both cheeses on the table so everyone can customize their bowl.
Serve the spaghetti with a crisp green salad, roasted vegetables, or warm bread. A slice of comforting casserole from the blog offers another hearty dinner idea for a future meal.
For a simple family-style presentation, spoon the spaghetti into a large serving bowl and garnish it with cheese just before bringing it to the table. The bright red sauce and golden cheese make this humble dinner look especially inviting.
Storage and Reheating
Cool leftover spaghetti promptly, then transfer it to a covered container and refrigerate it. The pasta will absorb some sauce as it rests, so the leftovers may be thicker the next day.
Reheat individual portions gently in the microwave, stirring halfway through. Add a small splash of water or extra sauce if the noodles seem dry.
You can also reheat leftovers in a saucepan over low heat, stirring frequently until hot. Avoid prolonged high heat, which can make the pasta softer than desired.
When planning a complete meal, save dessert for later with these peppermint brownies or a slice of butterscotch pie.
Easy Crockpot Spaghetti Recipe (Dump and Go Dinner)
Ingredients
Method
- Brown the ground beef or Italian sausage with the diced onion in a skillet over medium heat until the meat is fully cooked and the onion is softened. Drain excess fat before transferring the meat mixture to the slow cooker.
- Add the browned meat and onion, minced garlic, jarred spaghetti or marinara sauce, undrained diced tomatoes, Italian seasoning, salt, black pepper, and water to the slow cooker. Stir thoroughly so the seasonings and liquids are evenly distributed.
- Cover and cook the sauce on LOW for about 6 hours, or on HIGH for about 3 to 4 hours. The meat should be fully cooked and the sauce hot before the pasta is added.
- Break the dry spaghetti in half and add it during the final 30 to 60 minutes of cooking. Push the noodles beneath the liquid and stir once or twice as they soften so they cook evenly.
- Continue cooking on HIGH until the spaghetti is tender, checking after about 30 minutes because slow cookers vary. Serve immediately with grated Parmesan or shredded mozzarella.
Notes
Final Thoughts
This Easy Crockpot Spaghetti recipe is proof that a satisfying family dinner does not require complicated preparation. Brown the meat and onion, stir together the sauce ingredients, let the slow cooker work, and add the dry spaghetti near the end for tender noodles and a hearty, flavorful meal.
Keep the pasta submerged, check it after about 30 minutes on HIGH, and serve the finished dish with plenty of Parmesan or mozzarella. Once you try this method, it may become a regular answer to the question, “What is for dinner?”