Combine water, butter and contents of rice and seasoning packets in medium saucepan. Bring to a boil. Cover tightly and simmer 10 minutes. While rice simmers, cut squash in half lengthwise. Scoop out and discard seeds and pulp leaving 1/4 inch border. Simmer in boiling water 5 minutes, or until desired consistency. Stir spinach into rice. Drain squash boats well; sprinkle with salt and pepper, to taste. Mound rice into squash boats; sprinkle with walnuts, if desired.
Makes 4 servings
Cajun Country -- New Iberia, Louisiana