Butterscotch - Vegeterian

butter , for greasing the pan 2 tablespoons superfine sugar 1/4 cup butter , cut into cubes and at room temperature 1 egg , whisked lightly 1 cup plain flour[...]

1 cup firmly packed brown sugar 2 tablespoons butter 1 tablespoon vanilla 1 1/2 cups whipping cream 2 cups half-and-half or 2 cups light cream 6 large egg[...]