- 1⁄4 cup (2 fl oz/60 ml) canola oil
- 1 yellow onion, finely chopped
- 2 cloves garlic, minced
- 2-inch (5-cm) piece fresh ginger, peeled and grated
- 2-inch (5-cm) piece cinnamon stick
- 2 bay leaves
- 1 tablespoon ground coriander
- 1 teaspoon ground turmeric
- 1⁄2 teaspoon cayenne pepper
- 1⁄2 teaspoon ground cumin
- 1½ cups (12 fl oz/375 ml) chicken broth
- 1 cup (8 fl oz/250 ml) canned tomato sauce
- 1 tablespoon sugar
- Salt
- 2 lb (1 kg) skinless, boneless chicken breasts, cut into strips 1⁄2 inch (12 mm) wide
- 1⁄2 cup (4 fl oz/125 ml) buttermilk
- 1⁄2 cup (3 oz/90 g) roasted cashew nuts
- 3 tablespoons chopped fresh cilantro (fresh coriander)
In a large frying pan over medium-high heat, warm the canola oil. Add the onion and sauté until it begins to soften, about 3 minutes. Add the garlic, ginger, cinnamon, bay leaves, coriander, turmeric, cayenne, and cumin and sauté until the spices are fragrant and evenly coat the chopped onion, about 1 minute. Stir in the broth, tomato sauce, sugar, and 1 teaspoon salt and deglaze the pan, stirring and scraping up the browned bits on the bottom of the pan with a wooden spoon. Bring to a boil.
Transfer the broth-spice mixture to a slow cooker. Add the chicken strips and stir to coat. Cover and cook until the chicken is very tender and the sauce is thickened, 3 hours on the high heat setting or 6 hours on the low-heat setting.
About 15 minutes before the chicken is done, combine the buttermilk and cashews in a blender or food processor. Blend or process until the nuts are finely puréed and combined with the buttermilk. Add to the chicken and stir to blend with the chicken and sauce. Continue cooking until the sauce is completely heated through and thick, about 5 minutes. Remove and discard the cinnamon and bay leaves.
Divide the chicken and sauce among warmed bowls, garnish with the cilantro, and serve at once
William Sonoma