4-Ingredient Slow Cooker Baked Mostaccioli

 



When weeknight schedules get chaotic, a comfort food dinner that practically cooks itself is a total lifesaver. This 4-Ingredient Slow Cooker Baked Mostaccioli delivers all the warm, cheesy satisfaction of traditional baked pasta—without boiling a pot of water or standing over a hot stove.

By letting the slow cooker handle the heavy lifting, the pasta absorbs rich flavor directly from the marinara while keeping cleanup to a absolute minimum.

Why This Simple Recipe Works

Minimalist recipes often trade flavor for convenience, but this dish gets the balance just right thanks to smart layering and slow, gentle cooking.

  • Effortless Prep: Requiring just four main staples, prep takes less than 10 minutes.

  • Direct Absorption: Cooking the pasta directly in the meat and marinara sauce infuses flavor into every piece of pasta.

  • Hands-Off Convenience: Perfect for busy afternoons, potlucks, or relaxed Sunday dinners.

The 4 Ingredients

IngredientRecommended QuantityNotes & Tips
Ground Beef or Italian Sausage1 lbLean ground beef (90/10) or sweet/spicy Italian sausage works best.
Marinara or Pasta Sauce2 jars (24 oz each)Choose a high-quality sauce with herbs and garlic built in.
Mostaccioli (or Penne) Pasta16 oz (1 box)Smooth mostaccioli or ridged penne hold sauce beautifully.
Shredded Mozzarella Cheese2 to 3 cupsFreshly shredded mozzarella gives the best cheese pull.

How to Make It Step-by-Step

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