Preheat oven to 350°F with rack in middle. Brush a loaf pan or roasting pan with olive oil (or 13 x 9 Pyrex).
Heat remaining tablespoon olive oil in saucepan over medium heat. Add chopped onion, celery, carrot and cook, stirring occasionally, until onion becomes translucent, about 8 – 10 minutes.
Mix in garlic, chili powder, cumin, tumeric and 1/2 teaspoon salt (and red pepper flakes if using) and cook another 2 – 3 minutes.
Meanwhile, in a bowl mix oatmeal, turkey, dried apricots, parsley, eggs, teaspoon salt, and 1/2 teaspoon pepper until just combined. Add cooked onion, carrot mixture, stir until combined.
Place into loaf pan, or form into a 9- by 5-inch oval loaf and place in roasting pan.