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Plate of ultimate slow cooked beef and mostaccioli with garnishes

Ultimate Slow Cooked Beef and Mostaccioli

A comforting dish featuring succulent beef with tender pasta and rich marinara sauce, perfect for family gatherings.
Prep Time 15 minutes
Cook Time 5 hours
Total Time 5 hours 15 minutes
Course Dinner, Main Course
Cuisine Italian
Servings 6 servings
Calories 650 kcal

Ingredients
  

For the Beef Mixture

  • 1 pound ground beef Perfectly seasoned for maximum flavor
  • 1 medium onion, chopped Adds mild sweetness
  • 2 cloves garlic, minced Enhances aroma
  • 1 medium green bell pepper, chopped Provides crunchy texture

For the Sauce

  • 1 24-ounce jar marinara sauce Rich and lusciously complete
  • 1 15-ounce can diced tomatoes Adds freshness
  • 1 teaspoon dried oregano Provides earthy depth
  • 1 teaspoon dried basil Elevates flavor
  • 1/2 teaspoon salt For seasoning
  • 1/2 teaspoon black pepper Adds a hint of spice

For the Pasta and Cheese

  • 2 cups mostaccioli pasta, uncooked Ready to absorb flavors
  • 2 cups shredded mozzarella cheese For a gooey finish
  • 1/4 cup grated Parmesan cheese Adds a touch of sharpness

Instructions
 

Preparation

  • Heat a large skillet over medium heat.
  • Add ground beef, browning it thoroughly for about 6-8 minutes. Drain excess fat.
  • Toss in chopped onion, minced garlic, and green bell pepper. Sauté for about 5 minutes until tender.
  • Transfer the mixture to a slow cooker.

Cooking

  • Stir in marinara sauce, diced tomatoes, oregano, basil, salt, and black pepper into the slow cooker.
  • Cover and cook on low for 4 hours.
  • After 4 hours, stir in uncooked mostaccioli, ensuring it is well coated with the sauce.
  • Sprinkle shredded mozzarella and grated Parmesan on top.
  • Cover and cook on low for an additional hour until the pasta is tender and cheese is melted.
  • Serve hot and enjoy.

Notes

Consider adding red pepper flakes for extra kick or spinach in the last hour for added nutrition. Using pre-cooked beef can save time, just heat to the desired internal temperature before mixing it with other ingredients.
Keyword beef, Comfort Food, Mostaccioli, Pasta, Slow Cooker