Notes: Dried shrimp are tiny dried crustaceans often used in Asian and Latin American cooking. They have a distinctive, pungent, fishy flavor. Look for them in Asian markets or at Amazon.com.Fish sauce is a pungent Southeast Asian sauce made from salted, fermented fish. It can be found in the Asian section of large supermarkets and in Asian specialty markets.
Heat 2 teaspoons oil in a Dutch oven over medium-high heat. Add chicken, salt and pepper and sauté, stirring often, until cooked through, about 5 minutes. Transfer to a medium bowl and set aside.
Heat the remaining 2 teaspoons oil in the pot over medium heat. Add onion and bell pepper and cook, stirring occasionally, until softened, 3 to 5 minutes. Add tomatoes, parsley and garlic, reduce to a simmer and cook, stirring occasionally, until thick and bubbly, 10 to 15 minutes.
Meanwhile, place dried shrimp (if using) in a food processor and process until finely ground. Transfer to a small bowl. Add peanuts to the processor and process until finely ground. Combine the ground shrimp (or fish sauce), if using, with the ground peanuts. dd broth, coconut milk and the peanut mixture to the pot. Increase heat to medium, bring to a simmer and cook, stirring occasionally, until slightly thickened, 10 to 15 minutes. Add the reserved chicken and cook until heated through, about 2 minutes.