1 small yellow or red onion, peeled and
quartered
1 (2-inch [5-cm]) piece ginger root,
peeled and coarsely chopped
5 cloves garlic, peeled and trimmed
1 medium tomato, quartered
2–3 green Thai, serrano, or cayenne
chiles, stems removed, halved
½ cup (119 mL) plain, unsweetened soy
yogurt
1 heaping teaspoon coarse sea salt
2 teaspoons garam masala
1 teaspoon dried fenugreek leaves
(kasoori methi), lightly crushed in your
hand to release their flavor
1 teaspoon red chile powder or cayenne