Heat oil in large skillet over medium-high heat until shimmering.
Cook carrots and parsnips, stirring occasionally, until golden
brown, 12 to 14 minutes.
Whisk apple cider, maple syrup, and 1 teaspoon salt in small bowl.
Add water mixture to skillet and cook covered, stirring
occasionally, over medium-low heat until vegetables are tender and
liquid has evaporated, 12 to 14 minutes.