Heat cast iron skilled on high heat until extremely hot.
Place tomatoes in skillet and allow the bottoms to turn black. Rotate the tomatoes to blacken all sides. Remove into a bowl and allow to cool.
Slice the tomatoes lengthwise into quarters. add the olive oil, lemon juice, cilantro, paprika, and chili powder. Add salt and pepper to taste and mix gently.
Recipe by The Salt at http://www.the-salt.com/recipes/charred-tomatoes