In large frying pan, mix Shaved Brussels Sprouts with olive oil, salt and pepper, stirring until well coated. Cook over medium high heat covered for 5 minutes, stirring every 2 minutes. After 5 minutes, remove lid, and continue to cook 3-5 more minutes over high heat, stirring frequently until browned in spots. Stir in Parmesan cheese, lemon juice and dash of garlic powder, and serve.