Preparation(s):  Remove lid and sauce from dish. Toss remaining ingredients in a lightly oiled pot ( or you can use a splash of little water ), on medium low heat, you can break up the polenta into chunks and cook with vegetables until hot throughout. OR you can place in hot oven at 375 covered with foil for 30 minutes, poking holes in center of the polenta to distribute heat. Enjoy with roasted pepper marinara sauce