Thai Curry with beans

1/2 lb green beans , ends trimmed 1 large red pepper 1 large green pepper 1 1/2 cups fresh broccoli florets 1 (8 ounce) can water chestnuts , rinsed and[...]

1 (14 ounce) can coconut milk 1 cup chicken broth 2 tablespoons fish sauce 2 tablespoons red curry paste (see note) 2 tablespoons light brown sugar 8 ounces[...]