Preheat oven to 400°F. Spread potatoes in a 9 x 13-inch baking pan. In a small bowl, combine onion soup mix, honey, and olive oil. Toss with potatoes until well-coated.
Bake for 1 hour, uncovered, until potatoes are soft and golden brown. Before serving, toss potatoes to recoat with the sauce. Serve hot.