Sauté the vegetables

• Heat the olive oil in a large pan over medium heat.
• Add the onion, bell pepper and garlic and cook until softened.

Brown the meat

• Add the ground turkey and ground beef to the pan.
• Break up the meat and cook until browned, then season well.

Build the sauce

• Pour in the marinara sauce and the diced tomatoes.
• Season again and stir in the sugar.
• Simmer gently to let the flavors come together.

Cook the spaghetti

• Boil the spaghetti in salted water until al dente.
• Reserve some pasta water, then drain.

Finish the pasta in the sauce

• Add the pasta water and the spaghetti to the sauce.
• Toss and let the noodles finish cooking in the sauce.

Serve

• Plate the spaghetti with plenty of meat sauce and enjoy.