Small warmed flour or corn tortillasto serve, see Note
Spray a large nonstick pan with nonstick cooking spray or coat it lightly with oil and brown the turkey over medium high heat, stirring often and breaking it up with a spatula. When browned, after about 5 minutes, drain in a colander.
In the same skillet, heat 1 tablespoon of the oil over medium heat. Add the onion, garlic, pepper and carrots and sauté over medium heat for about 5 minutes until the vegetables are tender. Add the cumin, coriander, 1 teaspoon salt, pepper and red pepper and stir, then add the tomato paste and the diced tomatoes with their juice. Bring to a simmer over medium high heat, return the browned turkey to the pan and simmer, covered, for 15 minutes.
Meanwhile, heat another large skillet over medium-high heat (preferably nonstick), add the remaining tablespoon of oil, then sauté the potatoes until lightly browned, but not cooked through, about 8 minutes. You may need to do this in batches; don’t crowd the pan. Add a bit of salt and toss and stir frequently.
Stir the potatoes into the mixture, and add the raisins (if using) and the olives. Serve hot, with tortillas if desired.
To warm the tortillas, heat a skillet without any oil over medium high heat. Place the tortillas in the pan, one at a time, allowing them to warm thoroughly on each side. Let the tortillas brown a bit in spots. Stack them as they finish cooking and keep them covered with a towel to keep them warm. You can re-warm them in the microwave, but make sure to cook them in a pan on the stovetop first to bring out their best flavor. It take only a few minutes, and it make a big difference.