c("Preheat the oven to 350 degrees.", "Beat the egg white substitutes until stiff  with an electric mixer.", "Fold in the sugar, milk, and lemon juice and beat again.", "Combine the flour, baking powder, and salt in a small mixing bowl.", "Sprinkle into  the egg white mixture, a bit at a time, beating in each time with the mixer  until velvety smooth.", "Pour into a lightly oiled, 9- by 13-inch baking pan.", "Bake  for 25 minutes, or until the top is golden and a knife inserted into the center  tests clean.", 
"This cake may be made well ahead of time; let it cool completely,  then store in an airtight container or proceed with the remaining steps.", "For  the custard, combine the cornstarch and sugar in a heavy saucepan.", "Pour in  enough soy milk to dissolve them.", "Whisk in the remaining milk.", "Place over  moderate heat and bring to a simmer, whisking almost continuously, so that the  cornstarch does not lump on the bottom.", "Let the mixture simmer gently, whisking  frequently, until thick.", "Remove from the heat. Stir in the vanilla and lemon  juice. Let the custard cool to room temperature.  Before assembling the trifle, cut the cake base into 4 to 6 sections, then  carefully split the sections in half through the center so that they are half  the thickness.", 
"Spread the bottom halves with the raspberry preserves , then  cover with the tops.", "Cut the sandwiched cake into approximately 1- by 2-inch  fingers.", "Assemble the trifle in a trifle dish or a IO-inch round, preferably  clear-glass casserole dish at least 3 to 4 inches deep: half the cake fingers,  sprinkled with half of the sherry or port, half of the custard, the pear s  lices, the remaining cake fingers, the remaining sherry or port, the remaining  custard.", "Sprinkle the top with the sliced almonds and decorate with small dots  of raspberry jam, either in an irregular or regular pattern.", 
"Chill thoroughly  before serving.")