Preheat oven to 425°F. Arrange asparagus in single layer on large foil-lined baking pan.
Mix butter, allspice, red pepper, garlic powder and sea salt. Pour 2 tablespoons of mixture over asparagus, turning to coat. Reserve remaining mixture; set aside.
Roast asparagus 10 minutes or until tender crisp. Transfer to serving platter and drizzle with remaining butter mixture.