Preparation Position rack in top third of oven; preheat to 450°F. Arrange hens, skin side up, on large rimmed baking sheet. Finely grind cumin and next 3 ingredients in spice mill. Brush hens with oil. Sprinkle on both sides with spice mixture. Roast hens until cooked through, about 35 minutes. Meanwhile, combine all remaining ingredients in processor. Blend until almost smooth. Season sauce with salt and pepper. Place hens on plates. Serve with sauce.
Preparation Position rack in top third of oven; preheat to 450°F. Arrange hens, skin side up, on large rimmed baking sheet. Finely grind cumin and next 3 ingredients in spice mill. Brush hens with oil. Sprinkle on both sides with spice mixture. Roast hens until cooked through, about 35 minutes. Meanwhile, combine all remaining ingredients in processor. Blend until almost smooth. Season sauce with salt and pepper. Place hens on plates. Serve with sauce.