The trick that pastry chefs hide! Here's how to make the best Napoleon cake!<br /><br />Ingredients:<br />puff pastry: 800 g (28 oz)<br />water: 10 ml (0.3 fl oz)<br />sugar: 15 g (0.5 oz)<br />whipping cream: 500 ml (17 fl oz)<br />powdered sugar: 60 g (2.1 oz)<br />Greek yogurt: 250 g (8.8 oz)<br />blueberries: 100 g (3.5 oz)<br />blackberries: 100 g (3.5 oz)<br />raspberry: 100 g (3.5 oz)<br />sugar: 70 g (2.5 oz)<br />starch: 10 g (0.4 oz)<br />water: 100 ml (3.4 fl oz)<br />puff pastry: 400 g (14 oz)<br />water: 10 ml (0.3 fl oz)<br />sugar: 15 g (0.5 oz)<br />
