1. Peel and dice the potatoes. Finely chop the coriander. Peel and slice the onions. Peel and crush the garlic.
2. In a Dutch oven, add the olive oil and sauté the garlic, onions, ginger, and curry. Mix well.
3. Add the potatoes and mix well to coat them with spices. Pour 1 1/4 cups of water and let simmer over low heat for 20 minutes.
4. Stir in the yogurt, coconut milk, and let simmer for 5 minutes over low heat. Add the coriander, mix, and serve hot.
5. Stir in the yogurt, coconut milk, and let simmer for 5 minutes over low heat. Add the coriander, mix, and serve hot.