Scalloped Potatoes without pimento sausage cream tomatoes

6 medium potatoes , peeled and thinly sliced 1 onion , thinly sliced 3 tablespoons butter or 3 tablespoons margarine 1/4 cup chopped onion 3 tablespoons[...]

5 large potatoes , peeled and thinly sliced 3/4 cup onion , chopped 3 tablespoons butter or 3 tablespoons margarine 1/4 cup flour 1 3/4 cups chicken broth 2[...]

2 tablespoons unsalted butter 1 medium onion , minced (about 1 cup) 2 garlic cloves , minced or pressed through garlic press (about 2 teaspoons) 1 tablespoon[...]

5 large yukon gold potatoes , peeled and sliced thinly 1 small onion , finely chopped 1 garlic clove , finely minced 3 tablespoons butter 3 tablespoons flour[...]

6 tablespoons margarine 1/2 cup flour 2 large onions , chopped 1/2 cup mayonnaise 1/2 teaspoon salt 28 ounces chicken stock 9 -10 large idaho potatoes ,[...]