1 can fire roasted tomatoes

1/2 bunch of cilantro (more or less to taste)

A few slices of jarred or fresh jalapenos (more or less to taste)

1/2 chopped onion

salt

1-2 TBSP of white vinegar- or- vinegar from jarred jalapenos

Place everything in food processor or blender and chop. Taste to adjust seasoning. Refrigerate.