4 tablespoons canola oil
6 chicken thighs
6 chicken legs
Kosher salt
1 teaspoon whole cumin seeds
2 teaspoons chili flakes
1 large white onion, peeled, halved and thinly sliced
1 large ginger knob, peeled and grated
6 garlic cloves, peeled and halved lengthwise
1 (28-ounce) can whole, peeled tomatoes
2 cinnamon sticks
4 fresh or dried bay leaves
Water, as needed