In a blender, combine chunks from 1 mango, chili sauces, chicken broth, soy sauce, lemongrass and lime juice; blend until smooth. Refrigerate until ready to use.
Heat wok or sauté pan; add oil. Add chicken pieces; stir-fry 30 seconds. Add remaining mango pieces; toss to incorporate and warm the mango. Add mango sauce and basil; toss. Cook until sauce has slightly reduced and coats the chicken.
Makes: 4