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