Ursula K. Le Guin’s recipe for “Crab Nebula”–
Make a cream sauce with tablespoon butter, 2 tablespoons flour, 1 cup milk. Add about 1½ cup grated Tillamook cheese (or more—or less … if you are unable to obtain Tillamook, you may use any inferior American Cheddar, but the difference will be noticeable unless you have a calloused palate).
Now add about ½ pound? 2 cups?—Well, add enough crab. (If you are unable to obtain Pacific crab, you may use those flabby little Atlantic ones, or even lobster; but if you are reduced to King Crab, forget it.)
Flavor with sherry to taste, salt, pepper, parsley.
Serve on rice, or wild rice if you are J. Paul Getty, or English muffins, or whatever.
Le Guin’s recipe is collected in Cooking Out of This World (ed. Anne McCaffrey, 1973)