1. Prepare sweet potatoes in microwave oven according to package directions.
2. Meanwhile, lightly coat chicken with steak seasoning. Heat butter in large skillet over medium-high heat; add chicken. Cook 5 to 6 minutes until no longer pink (170 degrees F), turning once halfway through cooking. Remove from skillet; cover and keep warm. Stir maple syrup into hot skillet; cook 2 minutes. Stir in green onions.
3. Divide chicken and potatoes among 4 plates. Drizzle with maple syrup mixture. Serves 4.