Toss diced pumpkin with 1 tablespoon olive oil and ½ teaspoon salt. Spread on a baking sheet and roast for 25-30 minutes until tender.
In a saucepan, bring water to a boil. Add forbidden rice and reduce heat to low. Cover and simmer for 30 minutes until rice is tender. Drain any excess water.
In a large mixing bowl, combine cooked rice, roasted pumpkin, baby spinach, and crumbled feta.
In a small bowl, whisk together remaining olive oil, balsamic vinegar, honey, and remaining salt. Drizzle over salad and toss to combine.