This hearty and savory main dish has carrots, onions and potatoes in a rich gravy. It develops a flavor-packed gravy while slowly “roasting” in the oven on a low temperature. This is my twist on Rachel Ray’s Tuscan Pot Roast recipe. Pairs well with Homemade Self-Rising Cornbread and 3-Ingredient Biscuits. Leftovers refrigerated overnight taste even…