This 5-ingredient slow cooker one pot spaghetti is my kind of weeknight hero—the kind of meal you toss together in the morning and come home to when work runs late, and you’re two seconds away from ordering takeout.
Classic spaghetti with meat sauce is one of those dishes most of us grew up on, but standing over the stove to brown, simmer, and stir isn’t always realistic on a busy Tuesday. This version brings all the cozy, saucy comfort of traditional spaghetti, but the slow cooker does the heavy lifting. Minimal chopping, no boiling separate pots of water, and only one pot to wash.
If you love the idea of a home-cooked meal but your schedule doesn’t always cooperate, this recipe fits right into that sweet spot of simple, hearty, and totally doable.
I like to keep things simple and let the spaghetti be the star, but a few easy sides can turn this into a full, comforting meal. A quick green salad with whatever’s in the fridge—romaine, cucumber, cherry tomatoes—tossed with bottled Italian dressing is usually my go-to on a weeknight.
If you have a few extra minutes, warm up some frozen garlic bread or slice a baguette, brush it with olive oil, and toast it under the broiler for a crunchy side that’s perfect for soaking up extra sauce. Steamed or roasted veggies like broccoli, green beans, or zucchini also pair really well and make the plate feel a little more balanced without adding much effort.
And if you’re feeding a crowd, set out a small bowl of grated Parmesan or shredded mozzarella so everyone can finish their own bowl just the way they like it.
5-Ingredient Slow Cooker One Pot Spaghetti with Ground Beef
Servings: 6 servings
Ingredients
1 pound ground beef (lean, 85–90% works well)
1 (24-ounce) jar marinara or spaghetti sauce
3 cups low-sodium beef broth (or water)
12 ounces spaghetti, broken in half
1 teaspoon Italian seasoning (or dried oregano/basil blend)
Directions
1. Brown the ground beef: In a skillet over medium-high heat, cook the ground beef, breaking it up with a spoon, until no longer pink. Drain off any excess fat. (If you’re really short on time, you can skip browning and crumble the raw beef straight into the slow cooker, but browning adds better flavor and texture.)
2. Add to the slow cooker: Transfer the cooked ground beef to the slow cooker. Pour in the marinara sauce and beef broth, then sprinkle in the Italian seasoning. Stir everything together until well combined.
3. Start the sauce: Cover and cook the meat sauce mixture on LOW for 3–4 hours or on HIGH for 1.5–2 hours. This gives the flavors a chance to meld and the beef to get nice and tender.
4. Add the spaghetti: About 45–60 minutes before you plan to eat, stir the sauce, then add the dry spaghetti, breaking the noodles in half so they fit. Press the pasta down into the liquid, making sure it’s mostly submerged. If it looks too dry, add an extra 1/2 cup of broth or water so the noodles can cook evenly.
5. Finish cooking: Cover and cook on HIGH for 30–45 minutes, stirring once or twice, until the spaghetti is tender but not mushy. If the pasta sticks together when you first stir it, gently separate the strands with tongs or a fork.
6. Adjust and serve: Once the spaghetti is cooked, give everything a good stir. If the sauce is thicker than you like, splash in a bit more broth or water; if it’s too thin, leave the lid off for 5–10 minutes to let some liquid evaporate. Taste and adjust seasoning if needed, then serve hot, topped with grated Parmesan or red pepper flakes if you have them on hand.
Variations & Tips
• Extra-cheesy: If you’re like me and think a little cheese makes everything better, stir in 1–2 cups of shredded mozzarella or Italian blend cheese during the last 5–10 minutes of cooking, just until melted and gooey.
• Hidden veggies: To sneak in some extra nutrition without adding more ingredients to your shopping list, raid the crisper drawer. You can finely chop a carrot, bell pepper, or a handful of spinach and add it in with the sauce and broth at the beginning. They’ll soften right into the sauce as it cooks.
• Different proteins: Swap the ground beef for ground turkey or chicken for a lighter version, or use half Italian sausage and half beef for a richer, more classic “Sunday sauce” flavor. Just brown them the same way before adding to the slow cooker.
• Make-ahead tip: You can brown the ground beef the night before and store it in the fridge. In the morning, just dump everything into the slow cooker, set it, and head out the door. When you get home, all you’ll need to do is add the pasta and let it finish cooking.
• Timing and texture: Slow cookers can vary. The first time you make this, check the pasta a bit early so it doesn’t overcook. If you know your slow cooker runs hot, use an extra 1/2 cup of liquid and stir the pasta more frequently toward the end.
Leftovers thicken in the fridge, so add a splash of water or broth when reheating on the stove or in the microwave to bring it back to that saucy, just-cooked texture.