Strawberry Raspberry Mille-Feuilles

In France it’s popular during the summer to make tarts and other pastries like mille-feuille aux fruits rouges or ‘with red fruits’, meaning basically whatever berries are available. We can’t obtain the tiny, intensely flavoured wild strawberries or fraises des bois as easily as they do in France, but small, perfectly sweet, height-of-the-season berries work very well in this dessert. It’s fun and tasty to combine several types of berries, and if you have access to redcurrants