Dynamites

2 teaspoons vegetable oil

1 onion, chopped

2 pounds ground beef

4 green bell peppers, chopped

1 (14.5 ounce) can diced tomatoes

1 (8 ounce) can tomato sauce

1 (6 ounce) can tomato paste

1 teaspoon crushed red pepper flakes

Heat the oil in a saucepan over medium-high heat; cook the onion in the hot oil until tender, about 5 minutes. Add the ground beef, bell peppers, tomatoes, tomato sauce, tomato paste, and red pepper flakes to the saucepan; stir.

Reduce heat to medium-low; simmer until the peppers are soft and the beef is tender, 4 to 6 hours.