Crockpot Spaghetti Casserole is easier than the traditional stove‑top method and uses fewer dishes. Brown the beef, drain it, then add the remaining ingredients to the slow cooker—about ten minutes of prep and the slow cooker does the rest.
This comforting casserole is full of classic Italian flavors: savory herbs and basil with a touch of sweetness from maple syrup to balance the tomato sauce. The uncooked spaghetti soaks up the sauce as it cooks, creating tender, flavorful pasta throughout.
Like other simple favorites such as Tortellini Casserole and Crockpot Spaghetti Sauce, this slow cooker spaghetti is a perfect make‑ahead, no‑stress meal the whole family will enjoy.
This dish is ideal for potlucks and gatherings: it feeds a crowd and often comes home with an empty dish.
Why Make This Recipe
- Great make‑ahead dish. Toss the ingredients into your slow cooker on busy days and let it cook while you focus on other tasks.
- Pantry friendly. The recipe relies on common pantry staples and requires minimal hands‑on time.
- Feeds a crowd. Perfect for weeknight dinners, potlucks, parties, and family meals.
Ingredient Notes
- Olive oil – use your preferred olive oil for browning the meat.
- Ground beef – classic choice; you can substitute ground turkey, chicken, or Italian sausage if desired.
- Bacon – chopped smoked bacon adds depth and smoky flavor.
- Pasta sauce – use a jarred marinara, crushed tomato sauce, or your favorite homemade sauce.
- Balsamic vinegar – a small amount adds a pleasant depth and brightness.
- Maple syrup – balances acidity with a touch of sweetness.
- Herbs – Italian seasoning and fresh basil bring authentic flavor; dried or homemade seasoning can be used.
- Noodles – use uncooked spaghetti broken into thirds so it fits in the crockpot and cooks evenly.
- Cheese – shredded mozzarella is layered on top; a sprinkle of freshly grated Parmesan is optional for serving.
Ready to make Crockpot Spaghetti Casserole? Gather your ingredients and follow the simple steps below.
How to Make Crockpot Spaghetti Casserole
See the recipe card below for exact measurements and servings.
- Heat oil in a skillet. Add ground beef and chopped bacon and cook until the beef is browned. Drain excess liquid and transfer the meat to a lightly oiled slow cooker insert.
- Add the pasta sauce, balsamic vinegar, maple syrup, Italian seasoning, torn basil leaves, and any other sauce ingredients to the crockpot. Stir gently to combine, then press the broken spaghetti into the sauce so it is covered.
- Sprinkle shredded mozzarella over the top, cover, and cook on low for 4–5 hours. Check after 4 hours and continue cooking briefly if the pasta needs more time.
- Serve hot with your choice of garnishes.
Recipe Tips
- Make sure the spaghetti is well mixed into and covered by the sauce before cooking so it cooks evenly.
- If you prefer homemade sauce, use your favorite marinara or the crockpot spaghetti sauce recipe you like best.
- Break dry spaghetti into thirds to help it fit into the slow cooker.
- Store leftovers in single‑serve containers for easy reheating.
- Slow cooker temperatures vary by model—check the pasta toward the end of the cooking time the first time you make this recipe.
Delicious Variations
Customize the casserole with these ideas:
- Change the protein: substitute ground chicken, turkey, or Italian sausage.
- Switch the herbs: try Tuscan or Greek seasoning for a different profile.
- Spice it up: add red pepper flakes, chipotle, or chopped jalapeño.
- Extra flavor: a splash of beef broth, a dash of Worcestershire sauce, or extra minced garlic can enhance the sauce.
- Toppings: finish with extra shredded cheese, fresh parsley, diced tomatoes, or a spoonful of sour cream depending on your taste.
Storage
- Refrigerate: Keep leftovers in an airtight container in the fridge for up to 4 days.
- Reheat: Warm single servings in the microwave with a tablespoon or two of water to prevent drying; reheat gently until warmed through.
- Freezing: Freezing is not recommended, as the pasta texture may change.
FAQs
No. The dry spaghetti is added unboiled and cooks in the sauce in the slow cooker. It absorbs the flavors and becomes tender as it cooks. Check the texture toward the end of the cooking time to reach your preferred doneness.
Yes. Browning the ground beef (and bacon) first builds richer flavor. Drain excess fat before adding the meat to the slow cooker.
The pasta should not be mushy if monitored. It will be slightly more tender than stove‑top pasta, so check the texture after about four hours and stop cooking when it reaches the desired firmness.
More Crockpot Recipes
If you want additional slow cooker ideas, try other casserole and one‑pot dishes that make weeknight cooking simple and satisfying.
- Crockpot Chicken Fajitas
- Crockpot Tuscan Chicken Pasta
- Crockpot Breakfast Casserole
- Slow Cooker Whole Chicken
- Slow Cooker Short Ribs
- Crockpot Grape Jelly Meatballs
- Crockpot Chicken Enchilada Casserole
- Crockpot Tomato Soup
- Crockpot Bread Pudding
Serving Suggestions
This baked spaghetti is great on its own, but a few extras can elevate the meal:
- Garlic bread or toasted baguette.
- A crisp green or chopped rainbow veggie salad for freshness and crunch.
Recommended Tools
- A reliable slow cooker for even, hands‑off cooking.
- A good skillet for browning meat.
- Measuring cups and spoons and a sturdy spatula for mixing.
Thank you for reading this Crockpot Spaghetti Casserole recipe. It’s an easy, family‑friendly meal that’s perfect for busy days, potlucks, and casual dinners. Enjoy!
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Crockpot Spaghetti
Ingredients
- 2 tsp olive oil
- 1 lb (450 g) ground beef
- 6 slices lean bacon, cut up
- 2 x 28 oz jars (approx. 1.5 L) pasta sauce
- 2 tbsp balsamic vinegar
- 1 tbsp maple syrup
- 1.5–2 tsp Italian seasoning
- 10 basil leaves, roughly torn
- 8 oz (225 g) spaghetti, broken into thirds
- 1 cup (125 g) shredded mozzarella
Instructions
- Heat oil in a skillet. Add ground beef and bacon and cook until the beef is browned. Drain excess fat and transfer the meat to the slow cooker.
- Add the pasta sauce, balsamic vinegar, maple syrup, Italian seasoning, and basil to the crockpot and mix. Press the broken spaghetti into the sauce so it is covered.
- Top with mozzarella, cover, and cook on low for 4–5 hours. Check after 4 hours and cook a little longer if needed. Serve warm.
Notes
Recipe Tips
- Break dry spaghetti into thirds so it fits and cooks evenly.
- Check pasta doneness toward the end of cooking to avoid overcooking.
Variations
- Swap ground beef for ground chicken, turkey, or Italian sausage.
- Add heat with chili flakes, chipotle, or jalapeños.
- Top with extra cheese, fresh herbs, or diced tomatoes before serving.
Nutrition
Calories: 508 kcal | Carbs: 32 g | Protein: 24 g | Fat: 30 g | Saturated Fat: 11 g | Cholesterol: 82 mg | Sodium: 319 mg