spice mixture: 1 tbsp each of ground
cumin, ground coriander seeds, ground cardamon, cinnamon, nutmeg,
cayenne, turmeric
1 pound small white onions
2 pounds Yukon gold or other yellow
potatoes
1 cup nonfat plain yogurt
1 tsp fresh hot chili pepper
1 tbsp chopped garlic
1 tbsp grated fresh gingerroot
1 cup vegetable stock |