01 - In a chilled mixing bowl, beat the heavy cream with granulated sugar and vanilla extract, if using, until stiff peaks form.
02 - Arrange the bread slices on a clean work surface, ensuring all crusts are removed.
03 - Spread an even layer of whipped cream over one side of each bread slice.
04 - Arrange a selection of prepared fruit on top of the cream on four bread slices, positioning the fruit for the most attractive cross-section once cut.
05 - Gently spread a thin layer of cream over the fruit to help the top slice adhere.
06 - Place a second slice of bread, cream side down, over each filled slice to complete the sandwich.
07 - Tightly wrap each sandwich in plastic wrap and refrigerate for at least 30 minutes to firm up.
08 - Unwrap sandwiches, trim the edges for a clean appearance if desired, and slice each in half, revealing the fruit cross-section.
09 - Serve the sandwiches immediately, enjoying the vibrant fruit and soft bread.