In a large skillet, heat coconut oil over medium-high heat. Add onion and cooked until softened. Add Hillshire Farm® Beef Smoked Sausage and cook, stirring occasionally, until browned on all sides. Add garlic and cook until fragrant, about 30 seconds. Add cajun seasoning; stir to combine. Stir in heavy cream and bring to a bubble. Lower to a simmer and stir in Parmesan cheese until melted. Add tortellini and toss until everything is combined. Top with green onions and more Parmesan cheese before serving.