Preheat the oven to 180ºC/160ºC Fan/Gas 4/350ºF and line a large baking tray with baking paper.
Cream the sugar and butter until light, pale and fluffy.
Add the flour and vanilla and mix until just combined.
Bring the dough together with your hands then roll it out between two sheets of baking paper to 5mm thick.
Use a large dinner plate as a template and score around the outside with a sharp knife to make a circle.
Chill the shortbread in the fridge for 30 minutes.
Bake in the centre of a pre-heated oven for 15 minutes or until the edges have turned a light brown. Once baked, remove from the oven and allow to completely cool on the tray before adding the fruit decoration.
Assemble the fruit shield by adding alternating rows of fruit. Begin with the strawberries, add a row of marshmallows, balance the cherries on top of the strawberries and marshmallows then add the raspberries. Finally, add the star-shaped cookie cutter filled with melted white chocolate into the centre of the shield and fill any gaps with blueberries.
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Keyword Captain America Shield, Fruit Platter, Fruit Tray