Finely chop cold cooked corned beef or corned tongue; there should be two-thirds cup. Add an equal quantity of fine bread crumbs, moisten with cream and season with salt and pepper. Spread mixture on plank, and make nests and border of duchess potatoes, using rose tube. Put a buttered or poached egg in each nest and put in oven to brown potato. Garnish with tomatoes cut in halves and broiled, and parsley. Eggs may be sprinkled with buttered cracker crumbs, just before sending to oven, if preferred.