Polenta without starch tomatoes

1 (16 ounce) package plain prepared polenta, sliced into 8 rounds 1 tablespoon extra virgin olive oil 1/2 cup minced onion 1 lb white mushrooms or 1 lb[...]

2 cups boiling water 3 tablespoons butter , at room temperature 1 teaspoon salt , plus salt , for seasoning 1/2 cup quick-cooking polenta 1 tablespoon olive[...]

2 cups boiling water 3 tablespoons butter , at room temperature 1 teaspoon salt , plus salt , for seasoning 1/2 cup quick-cooking polenta 1 tablespoon olive[...]

1 (16 ounce) package plain prepared polenta, sliced into 8 rounds 1 tablespoon extra virgin olive oil 1/2 cup minced onion 1 lb white mushrooms or 1 lb[...]