Mashed Potatoes with whites

2 lbs russet potatoes , peeled and cut into large chunks 1/2 cup unsalted butter or 1/2 cup unsalted margarine , room temperature 1 tablespoon minced fresh[...]

5 baking potatoes 1/4 lb butter , sliced 1/2 cup heavy cream salt 5 organic domestic mushrooms , sliced 2 tablespoons pure olive oil 2 cloves garlic , sliced[...]

2 whole garlic heads 1/4 cup butter , softened 1 tablespoon shallot , finely chopped 2 teaspoons rosemary , finely chopped 2 1/2 lbs red potatoes or 2 1/2 lbs[...]