Chunky Potatoes with Garlic and Peanuts

• 2 tablespoons white sesame seeds
• 2 tablespoons raw peanuts (without the skin)
• 4 medium-size cloves garlic
• 3 dried red Thai or cayenne chiles, stems removed
• 2 tablespoons peanut or canola oil
• 1 pound russet or Yukon Gold potatoes, peeled, cut into 1-inch cubes, and submerged in a bowl of cold water to prevent browning
• 1/2 teaspoon ground turmeric
• 1 can (14.5 ounces) diced tomatoes
• 2 teaspoons coarse kosher or sea salt
• 2 tablespoons finely chopped fresh cilantro leaves and tender stems
• 12 medium-size to large fresh curry leaves
   

2. Heat the oil in a medium-size saucepan over medium-low heat. Scrape the sesame-peanut blend into the warmed oil and roast the mixture, stirring, until it starts to release its own oils and loosen, turning crumbly and nutty brown, 5 to 8 minutes.

3. Meanwhile, drain the potatoes.

4. Stir the turmeric into the sesame-peanut blend and cook for 5 seconds. Then add the potatoes, tomatoes (with their juices), 1 cup water, and the salt. Stir once or twice, raise the heat to medium-high, and bring to a boil. Then reduce the heat to medium-low, cover the pan, and cook, stirring occasionally, until the potatoes are fork-tender and the sauce has thickened, 25 to 30 minutes.

5. Stir in the cilantro and curry leaves, and serve.