Place chicken in a shallow dish or large heavy-duty zip-top plastic bag.
Stir together peanut butter and next 4 ingredients. Pour mixture over chicken; cover or seal, and chill 30 minutes, turning occasionally. Remove chicken from marinade, discarding marinade.
Process peanuts and remaining ingredients in a blender until mixture is crumbly. Place crumbs in a heavy-duty zip-top plastic bag; add chicken, and seal. Shake to coat. Place chicken in a lightly greased 13- x 9-inch baking dish.
Bake at 375° for 45 minutes or until done.