Drain. Place the sweet potato cubes onto a baking sheet, drizzle over the olive oil and balsamic vinegar and sprinkle with salt. Roast in the oven for about 20 minutes, or until tender and ...
The best quality balsamic vinegar can be over 100 years old but is more commonly sold at three to four years of age. True balsamic vinegars are very expensive but have an exceptional flavour.