01 -
Preheat oven. Peel and chop potatoes, slice onions thinly, and mince garlic.
02 -
In a roasting pan, toss potatoes with melted butter, garlic, and French onion soup mix. Add boiling water and rosemary sprigs.
03 -
Cover and bake potatoes until they start to soften, about 30 minutes.
04 -
While potatoes bake, slowly cook sliced onions with brown sugar until golden and caramelized.
05 -
Add caramelized onions around potatoes and bake uncovered until potatoes are tender and golden, about 20 minutes more.