1. Combine first 3 ingredients in a small bowl, tossing well.
2. Combine peanuts and bread slice in a food processor; process until finely chopped. Sprinkle salt and pepper evenly over chicken. Dredge chicken in the breadcrumb mixture.
3. Heat oil in a large nonstick skillet over medium-high heat. Coat pan with cooking spray. Add chicken to pan; cook 2 minutes on each side or until done. Serve chicken with pineapple mixture. Garnish with cilantro sprigs, if desired.