Braised Lamb With Prunes with chops

For the root vegetables: 10 small carrots, peeled and cut into medium dice 8 small turnips, peeled and cut into medium dice 8 small parsnips, peeled and cut[...]

4 2-inch-thick lamb shoulder-blade chops (about 4 3/4 pounds total) 3 tablespoons butter 2 tablespoons olive oil 2 large red onions, coarsely chopped 6 large[...]