1. Heat one tablespoon of olive oil in a frying pan over high heat and sauté the pastrami cubes for 10 minutes, stirring every so often so they get nice and brown. Remove from pan and set aside.
2. Add the second tablespoon of oil to the pan.
3. Add diced onion and sauté until translucent.
4. Add corn and spices and sauté for another 10 minutes, until nice and charred.
5. Add pastrami and mix together. Remove from heat.