Step 1

Coarsely chop the tomatoes, onions and peppers after removing the stem and seeds.

Step 2

Put all the ingredients in a food processor or blender.

Step 3

Pour the pepper mixture into a saucepan and bring to a boil, then simmer of about 15 minutes, stirring frequently to prevent it from burning. Add in salt to taste

Step 4

Let it cool, then pour into a mason jar and refrigerate for up to a week.