Slow Cooker Spaghetti for a Crowd

Ingredients

  • 1 medium onion, diced
  • 4 cloves garlic, minced
  • 2 lb ground beef or Italian sausage
  • 2 × 24 oz jars pasta sauce (choose your favorite)
  • 1 × 14.5 oz can diced tomatoes (optional for extra texture)
  • 2 tsp Italian seasoning
  • 1 lb spaghetti noodles, cooked separately
  • 1 tsp sugar (balances acidity)
  • Grated Parmesan and fresh basil or parsley, for serving

Instructions

  • Brown the Meat
    Heat a large skillet over medium. Cook the ground beef (or Italian sausage) with the diced onion until the meat is no longer pink and the onion is translucent, about 8 minutes. Drain off excess fat.
  • Bloom the Garlic
    Stir in the minced garlic and cook 1 minute, just until fragrant.
  • Load the Slow Cooker
    Transfer the meat mixture to a 5- to 6-quart slow cooker. Add pasta sauce, diced tomatoes (if using), Italian seasoning, and sugar. Stir well.
  • Slow-Cook
    • Low: 6–8 hours
    • High: 3–4 hours
    The long simmer lets the flavors meld and thickens the sauce naturally.
  • Cook Pasta
    About 20 minutes before serving, bring a large pot of salted water to a boil. Cook spaghetti according to package directions until al dente. Drain.
  • Serve
    Spoon sauce over spaghetti or toss pasta directly in the slow cooker for a unified dish. Finish with Parmesan and a sprinkle of fresh herbs.

Tips & Variations

  • Vegetable Boost: Add diced bell peppers or mushrooms to the skillet with the onion for extra nutrients.
  • Make-Ahead: The sauce freezes beautifully. Cool completely, portion into airtight containers, and freeze up to 3 months.
  • Heat Level: Swap half the Italian seasoning for crushed red-pepper flakes to give the sauce a gentle kick.

Enjoy effortless comfort food that feeds a crowd—and frees you to enjoy the gathering instead of hovering over the stove!

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