Why this recipe works: Succulent shrimp swimming in roasty peppers and tomatoes and flavored by the potent warm spice blend ras el hanout is our idea of elevated comfort food. Cooked under pressure, the vegetables softened and their flavor intensified. The shrimp gently cooked in the residual heat of the cooked tomato mixture. Olives provided tangy saltiness, and scallions and a drizzle of extra-virgin olive oil provided a fresh, rich finish. Do not substitute larger shrimp here; they will not cook through in time. Serve over rice or couscous. You can find ras el hanout in the spice aisle of most well-stocked supermarkets.