Combine the ground beef, onion, garlic, and green pepper in a large saucepan. Cook and stir until meat is browned and the vegetables are tender.

Drain the grease

Stir diced tomatoes, tomato sauce and tomato paste into the pan. Season with the oregano, basil, salt, pepper, brown sugar, paprika and pepper flakes.

On a very slow simmer cook the source for about one hour stirring occasionally. Keep a low simmer as the longer you cook the better it will taste