Mashed Potatoes with onion

6 Yukon Gold potatoes, peeled and quartered 5 slices bacon 1 tablespoon vegetable oil 6 medium mushrooms, sliced 1 medium onion, sliced 2 tablespoons butter 2[...]

6 tablespoons butter 3 large onions , halved and sliced 2 tablespoons chopped fresh rosemary or 2 teaspoons dried rosemary 6 parsnips or 6 turnips or 6[...]

6 tablespoons butter 3 large onions , halved and sliced 2 tablespoons chopped fresh rosemary or 2 teaspoons dried rosemary 6 parsnips or 6 turnips or 6[...]