Cajun Sofrito Ketchup

Directions

1. 1
   In a skillet, heat the oil until shimmering.
2. 2
   Add the green pepper and onion and cook over moderately high heat, stirring, until lightly browned, 3 minutes.
3. 3
   Add the tomatoes and Cajun spice and cook over moderate heat, stirring, until the tomatoes have broken down, 8 minutes.
4. 4
   Off the heat, stir in the ketchup.
5. 5
   Let cool, then transfer to a jar.