Prepare Potatoes: Peel and wash the potatoes, then cut them into cubes.
Boil Potatoes: Immerse the potatoes in water, add salt, turmeric, and baking soda. Boil until just cooked.
Drain Potatoes: Drain the potatoes and place them in a tray.
Mix Coating Ingredients: In a bowl, mix flour, semolina, salt, cumin, starch, paprika, and dried coriander.
Coat Potatoes: Add the coating mixture to the potatoes and mix well to coat evenly.
Prepare Onion and Garlic: Grate half an onion and a few cloves of garlic.
Fry Onion and Garlic: In a frying pan, heat olive oil and sauté the grated onion and garlic for 1-2 minutes.
Combine and Bake: Pour the sautéed onion and garlic over the potatoes, mix well, and spread them out on the tray.
Bake Potatoes: Preheat the oven to 200°C (392°F) and bake the potatoes until crispy.
Garnish and Serve: Sprinkle chopped green coriander and optional hot pepper on top before serving.