SEASON chicken with sea salt and pepper. Heat oil in 5-quart nonstick Dutch oven or saucepot on medium-high heat. Add chicken; cook 3 minutes per side or until golden brown. Remove chicken. Add onion; cook and stir 3 minutes or until lightly browned. Add chili paste; cook and stir 1 minute.
STIR in chicken stock, coconut milk, sweet potato and bell pepper. Bring just to boil. Return chicken and any juices to Dutch oven. Reduce heat to low; cover and simmer 25 minutes or until chicken is cooked through and sweet potato is tender.
MIX almond butter, lime juice and 1 cup of sauce from the stew in medium bowl with wire whisk until smooth. Gradually stir back into stew. Simmer 5 minutes or until sauce is slightly thickened, stirring occasionally. Sprinkle with cilantro. Serve over cooked rice, if desired.