Ingredients:
400g spaghetti 
300g beef cubes (tender cuts like chuck or brisket) 
2 cups tomato sauce 
1 medium onion, finely chopped 
3 cloves garlic, minced 
1 red chili, sliced 
(optional for heat)
(optional for heat)2 tbsp olive oil 
1/2 cup grated Parmesan cheese 
Fresh parsley, chopped 
Salt and black pepper to taste 
1/2 cup beef stock or water 
Instructions:
Cook the Spaghetti:
Boil a pot of salted water and cook the spaghetti until al dente according to package instructions. Drain and set aside.
Prepare the Beef:
Heat 1 tbsp olive oil in a large skillet over medium heat. Add the beef cubes and sear until browned on all sides. Remove and set aside.
Sauté the Aromatics:
In the same skillet, add the remaining olive oil. Sauté the onions until translucent, then add the garlic and chili slices. Cook until fragrant.
Simmer the Sauce:
Return the beef to the skillet. Add the tomato sauce and beef stock. Bring to a gentle simmer, cover, and cook on low heat for 30-45 minutes, stirring occasionally, until the beef is tender.
Combine with Pasta:
Toss the cooked spaghetti with the beef and sauce until well coated.
Serve:
Divide the pasta into bowls. Garnish with grated Parmesan cheese and fresh parsley. Serve hot and enjoy! 
