All-In-One Crock Pot Spaghetti And Meatballs

If you’re like me and don’t want to take the time to boil pasta, this all-in-one spaghetti dish is the answer. I throw in some frozen meatballs, spaghetti sauce, and some water to cook all day, add the noodles in the last hour, and dinner is served. The sauce turns out thick, rich, and packed with flavor after simmering all day. I’ve made it enough times to know the timing that keeps the noodles tender without turning them mushy, which is the part everyone worries about. My two hungry kiddos can clear a crock in one sitting. If you want a true dump-and-go start (with an easy finish), you’re in the right place.

A plate of spaghetti with tomato sauce and meatballs, topped with grated cheese, served with a slice of garlic bread. A red and white napkin, a spoon, and a bowl of grated cheese are nearby.


 
Prep TimeCook TimeServingsPrep Level
5 minutes8 hours4-6Beginner +

A Quick Note About The Water Amount

The water isn’t just to “thin the sauce.” It’s what cooks the pasta in the crock pot. I start with 1 1/2 cups at the beginning, then decide if I need more once the noodles go in. It also keeps the sauce from getting too thick while it cooks.

Different slow cookers run differently, and different sauces are thicker than others. That’s why I give you the full range up to 2 1/2 cups.

Why This Method Works

Most all-in-one slow cooker pasta recipes come down to one thing: keeping the noodles submerged so they cook evenly.

  • Cooking the meatballs in the sauce first gives you a steady simmer and builds flavor.
  • Waiting to add the spaghetti until the end keeps it from overcooking during that long low cook.
  • Breaking the noodles in half helps them fit, and it also makes stirring much easier. And nowadays, you can buy spaghetti noodles that are already cut in half!
A plate of spaghetti topped with meatballs and grated cheese, served with garlic bread. A basket of breadsticks and a small bowl of grated cheese are in the background on a wooden table.

I have a couple of favorites to serve on the side with the spaghetti. I love some mozzarella bread on the side, and it takes about 10 minutes to prep it, if that. A little side salad is always nice to have before the meal. I also like to make homemade dinner rolls and brush a little melted butter and garlic right on top.

How To Make Crock Pot Spaghetti And Meatballs

A black rectangular crock pot filled with evenly arranged, uncooked frozen breaded meatballs in neat rows.

Add the frozen meatballs to the slow cooker. I like to use the homestyle meatballs, but you can also get the Italian style. It just depends on what flavors you like.

Meatballs arranged around the edges and bottom of a black slow cooker, covered with chunky red tomato sauce.

Next, add the spaghetti sauce and 1 1/2 cups water to the slow cooker. Stir everything together until the sauce and water are combined.

I like to make sure the meatballs are coated right from the start because any that sit up high can dry out around the edges. Cover and cook on low for 7 hours. Low heat is the sweet spot here. It keeps the sauce from scorching around the sides, and it gives the meatballs time to heat through and soak up that sauce.

Meatballs and broken uncooked spaghetti noodles in tomato sauce are shown in a rectangular black cooking dish. The noodles and meatballs are partially submerged in the red sauce.

Break the spaghetti noodles in half and stir them into the sauce. Make sure the noodles are submerged in the liquid. Cover and cook on low for 1 hour, stirring halfway through to make sure all the noodles cook.

If it looks dry after you stir the noodles in, add another 1/2 to 1 cup water. You’re looking for enough liquid so the noodles are submerged and can soften without sticking together.

TIP: That halfway stir is what keeps you from getting a spaghetti brick. I don’t hover over it, but I do make a point to stir once and make sure the noodles aren’t sticking together.

Spaghetti and meatballs mixed in marinara sauce inside a black slow cooker, with the noodles and meatballs spread evenly throughout the dish.

Julie’s Tips For The Best Slow Cooker Spaghetti

Keep The Noodles Under The Sauce
Once the spaghetti goes in, press it down and stir until you don’t see dry strands sticking up. Dry pasta exposed to air cooks unevenly.

Stir At The Right Times
You don’t need to stir during the first 7 hours. But once the noodles are in, stirring matters. I stir when they go in, and once halfway through the final hour.

Watch The Edges Of The Crock
The edges tend to cook hotter than the center when in the Crock Pot. And some crocks cook hotter than others. When you stir, pull the noodles away from the sides and mix them through the middle so everything cooks evenly.

Sauce Thickness Is Personal
Some folks like it extra saucy, and some want the sauce to be thick and clingy. If you want it thinner, use more water (closer to 2 1/2 cups total). If you want it thicker, stay closer to 1 1/2 cups and only add more water if it looks dry.

A plate of spaghetti with meatballs topped with grated cheese, served with a slice of garlic bread. A basket of more garlic bread, a spoon and fork, and a small bowl of grated cheese are nearby on a wooden table.

Make It Work For Your Family

I’m going to keep this one true to the recipe, because it’s meant to be easy and reliable. But you do have a little wiggle room that won’t mess anything up.

Meatballs
Frozen homestyle meatballs are what I use because they hold their shape, they’re budget-friendly, and you can just toss them in. You can use another frozen meatball you like; just keep the amount close to 1 pound so the sauce-to-meatball ratio stays right.

Spaghetti Sauce
Use your favorite brand. If it’s a thicker sauce, you’ll likely need a bit more water once the noodles go in. If it’s thinner, start with the 1 1/2 cups of water and see how it looks.

Spaghetti Noodles
Regular spaghetti works best here. I bought the noodles that were already broken in half, so I didn’t sling spaghetti noodles all over the place when breaking them. But it is more budget-friendly to buy regular spaghetti noodles and break them in half.

Storage And Leftovers

If you have any leftovers, let the spaghetti cool and add it to airtight containers. You can refrigerate the leftovers for 3-4 days. To reheat, add the spaghetti to a microwave-safe bowl with a splash of water (the noodles soak up the sauce as they sit, so that little splash brings it right back), and heat for one to two minutes or until hot. If you’re packing lunches, this one reheats well and actually tastes even better the next day.

Troubleshooting (Because Slow Cooker Pasta Can Be Picky)

If The Pasta Looks Dry
Go ahead and add 1/2 cup water, stir it well, and keep cooking. If you see some dry spots, that usually means some noodles were sitting above the liquid, or your sauce was extra thick.

If The Pasta Is Too Soft
Next time, start checking for tenderness a little earlier during that last hour. Some slow cookers run hotter, even on low.

If The Noodles Clump
Stir more thoroughly right when you add the spaghetti, then stir once halfway through the final hour. That’s the clump prevention plan.

A plate of spaghetti with tomato sauce and meatballs, topped with grated cheese, served with a slice of garlic bread. A red and white napkin, a spoon, and a bowl of grated cheese are nearby.

All-In-One Crock Pot Spaghetti And Meatballs

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Just toss frozen homestyle meatballs, jarred sauce, and a little water into the slow cooker, and seven hours later, break in the spaghetti for an easy, hands-off meal that'll fill hungry plates. It's a dump-and-go, back-pocket supper that's budget-friendly, and my kids always come back for seconds.
Prep Time 5 minutes
Cook Time 8 hours
Total Time 8 hours 5 minutes
Course Main Dishes
Cuisine American
Servings 4
Calories 549 kcal

Ingredients
  

  • 1 pound frozen homestyle meatballs
  • 24 ounce jar spaghetti sauce
  • 1½ – 2½ cups water
  • 8 ounce spaghetti noodles

Instructions
 

  • Add the meatballs, spaghetti sauce, and 1 1/2 cups water to the slow cooker and stir to combine.
  • Cover and cook on the low temperature for 7 hours.
  • Break the spaghetti noodles in half and stir them into the sauce, making sure they are submerged in the liquid. Add 1/2 cup of water if it seems like there isn't enough liquid.
  • Cover and cook on low for 1 more hour, stirring once halfway through, until the noodles are tender and not sticking together. If needed, add 1/2 cup more water and continue cooking until the noodles are tender.

Video

Nutrition

Serving: 1Calories: 549kcalCarbohydrates: 51gProtein: 29gFat: 25gSaturated Fat: 9gPolyunsaturated Fat: 3gMonounsaturated Fat: 11gCholesterol: 82mgSodium: 876mgPotassium: 957mgFiber: 4gSugar: 8gVitamin A: 744IUVitamin C: 13mgCalcium: 53mgIron: 3mg
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