Butternut-Squash Roast with Pistachio Yogurt and Grain Relish

Preheat oven to 425°F. Arrange squash, cut-sides up, in a 9-by-13-inch baking dish; drizzle with 1 tablespoon oil, sprinkle with sliced shallot and thyme, and season with salt and pepper. Roast until thickest part of flesh is easily pierced with the tip of a knife, 1 hour to 1 hour, 10 minutes.

Meanwhile, bring a saucepan of salted water to a boil. Add farro and cook until tender but still slightly chewy, 20 to 25 minutes. Drain.

In a bowl, whisk together remaining 4 tablespoons oil, vinegar, and Aleppo-style pepper until well combined. Stir in warm farro, pomegranate arils, parsley, capers, and chopped shallot. Season with salt and pepper.

In a food processor, purée pistachios with yogurt until mostly smooth, 1 to 2 minutes. Season with salt and pepper. Spread pistachio-yogurt mixture on a platter and arrange squash on top. Top with farro relish; drizzle with more oil and serve.