Heat oil in a large non-stick skillet over medium heat. Add potatoes, onions, salt, pepper, and garlic powder; stir. Cook for 5 minutes, reduce heat to medium-low. Cover and cook, stirring occasionally, for 25-30 minutes or until potatoes are tender.
2 teaspoons olive oil, 1/2 teaspoon salt, 1/4 teaspoon pepper, 1/2 teaspoon garlic powder