Preheat oven to 350º. In a large skillet over medium heat, saute` chicken breasts in oil & garlic. Quickly brown on both sides. It is not necessary to cook chicken through! Place in greased 9 x 13 baking dish along outer sides. In a medium bowl, mix Chicken Stove Top Dressing according to pkg. directions. Place dressing mixture down middle of baking dish in a loaf fashion. In same bowl, mix cream of mushroom soup with milk. Pour soup mixture over only chicken in the baking dish. Bake uncovered for 30 minutes.