| 1/2 | lb | Bay scallops | 
| 3 |  | Egg whites | 
| 1/2 | c | Heavy cream; divided | 
| 1/2 | ts | Salt | 
| 1/4 | ts | Ground white pepper | 
| 1 | ts | Lemon zest | 
| 2 | tb | Freshly chopped dill | 
| 1 |  | Head Boston lettuce | 
| 4 |  | Butterflied rainbow or red trout, about 8 ounces each, all bones removed, 1 head attached | 
| 1 | c | Dry white wine | 
| 2 | tb | Tarragon vinegar | 
| 3 |  | Shallots; finely diced | 
| 6 | tb | Very cold unsalted butter; cut into chunks | 
|  |  | Salt and white pepper to taste | 
| 1/2 | c | Freshly diced ripe tomato | 
|  |  | Fresh dill weed; for garnish | 
|  |  | Diced tomato; for garnish | 
|  |  | Cooked fresh fettucine; tossed with | 
|  |  | Butter & poppy seeds; for accompaniment |