Corn Chowder with cream

1/2 cup salted butter 3/4 cup sweet onion , chopped 1 cup celery , chopped 2 cups hot water 2 cups raw potatoes , cubed 1 quart half-and-half cream 3 cups[...]

4 tablespoons butter 6 tablespoons onions , chopped 3/4 cup celery , large dice 2 1/2 cups hot water 2 cups potatoes , peeled and cut into 1/2-inch cubes 1[...]