2.In a large bowl, toss the potatoes, rosemary, olive oil, and vinegars together. Add the onion and bell bells and mix well, to combine.
3.Spray a non-stick baking pan with non-stick spray. Spread the potato mixture on the pan and sprinkle it with salt and pepper. Place the pan on the center rack of the oven and bake for 40-45 minutes or until the potatoes are tender.
4.Transfer to a serving dish and garnish with the sprigs of rosemary. Enjoy!!