The Classic Vanilla Slice. Is there anything better? These light, fluffy slices are the perfect dessert, morning or afternoon tea, or party treat. Made with our Carême All Butter Puff Pastry, add this classic sweet to your baking repertoire and you’ll find yourself wanting to make them over and over again! For our perfect pastry layers, we used a perforated puff pastry baking tray, these can be purchased online from Meilleur du Chef.