Brown the beef

• Heat a pot or Dutch oven over medium heat.
• Add the ground beef and sauté, breaking it up with a spatula, until no longer pink.

Add onions and seasoning

• Add the diced onion, salt, cumin and black pepper.
• Sauté until the onions are soft and fragrant.

Add the garlic

• Stir in the minced garlic and cook until fragrant.

Simmer the sauce

• Pour in the marinara sauce, water and sugar.
• Stir well, cover and simmer on low heat.

Cook the spaghetti

• Cook the spaghetti in salted boiling water according to package instructions.
• Drain, keeping a little pasta water aside.

Combine and serve

• Add the drained spaghetti to the meat sauce and mix well.
• Serve hot.