1 large yellow or red onion, peeled and
diced (2 cups [300 g])
1 (2-inch [5-cm]) piece ginger root,
peeled and grated or minced
6 cloves garlic, peeled and grated or
minced
2 large tomatoes, chopped (2 cups [320
g])
1–2 Thai, serrano, or cayenne chiles,
stems removed, chopped
2 tablespoons tomato paste
1 cup (237 mL) water
1 tablespoon ground coriander
1 tablespoon garam masala
2 teaspoons coarse sea salt
12 cups (360 g) densely packed chopped