Blackberry Pie Recipe from 1916.
One cupful of ripe blackberries, one cupful of sugar, one egg. Beat the egg and sugar together, stir in blackberries, and bake this between two pie-crusts,( pastry). Moisten the edge of the under crust before putting upper crust on, press tightly together, then the juice will not run out. When done, sprinkle with castor sugar. Serve hot or cold.