2 Tbsp. chopped fresh cilantro
1 tsp. zest and 3 Tbsp. juice from 2 or 3 limes
1/2 tsp. grated fresh ginger
1-1/2 lb. beef flank steak, cut into 1/2-inch-wide strips
1 large mango, peeled, cut into 1-1/2-inch pieces
1 large green pepper, cut into 1-inch pieces
4-1/2 cups hot cooked long-grain white rice