Stargazy pie white fish will work for the filling, with pilchards or herring just added for the presentation. Prior to putting it in the pie the fish should be skinned and boned (except the head and tail) to make it easier to eat. Along with the fish, the other traditional ingredients are thickened milk, eggs and boiled potatoes. There are many recipe variations around the traditional ingredients, some of which include hard-boiled eggs, bacon, onion, mustard or white wine. Other alternatives to the main fish can be crayfish and rabbit or mutton. The stargazy pie is always topped with a pastry lid,
Pie rule rule gets its name from the divide and choose method of ensuring fairness in the division of a pie between two people; one person cuts the pie in half, then the other person chooses which half to select to eat. The person cutting the pie, knowing the other person will choose the larger piece, will make as equal a division as possible. This rule acts as a normalization factor in games where there may be a first-move advantage. In a game which cannot end in a draw, such as Hex, the pie rule theoretically gives the second player a win