In a small bowl, combine all of the spices (salt, garlic powder, onion powder, paprika, cumin, oregano, and red pepper flakes) together. Set aside until ready to use.
2 teaspoons kosher salt, 1 teaspoon garlic powder, 1 teaspoon onion powder, 1 teaspoon paprika, ½ teaspoon ground cumin, ½ teaspoon dried oregano, ½ teaspoon red pepper flakes