The name says it all!
6 oz tomato paste
3 cups water
2 teaspoons cayenne pepper
1 1/2 tablespoons chili powder
2 teaspoons corn starch
2 teaspoons white vinegar
1 tablespoon minced dried onion
2 1/2 teaspoons salt
2 tablespoons pickled jalapeño slices, minced
Whisk the cornstarch into the water over medium heat.
Add all the other ingredients and continue to whisk until it starts to thicken, about five minutes.
Store in a sealed jar in the fridge.