1     tablespoon    butter
2     cups          chopped onions
1     bottle        clam juice - (8 oz)
8     ounces        red-skinned potatoes
                    rounds
1     tablespoon    chopped fresh thyme
2     cups          half-and-half
1     package       smoked trout - (4 1/2 oz)
                    Salt
                    Freshly-ground black pepper