sprinkle chicken with 1/4 tsp salt. coat skillet with cooking spray, heat medium-high. cook chicken, remove from pan. (variation: cook chicken on grill instead.)
cook onion, jalapeno, garlic until tender. add seasonings (cinnamon through cloves). cook 1 minute, set aside.
grind almonds, tortilla pieces in food processor. process onion mixture, remaining 1/4 tsp salt, tomatoes, and liquid smoke, until smooth. return mixture to skillet. add chocolate, cook over low heat until melts. add water, cook/stir until heated.
spoon sauce over chicken. sprinkle with sesame seeds. garnish with cilantro sprigs, if desired.
source: cooking light, october 1996, page 62