Pastry Puffs with Roquefort and Apple Spread

For all the wealth of home-grown products available to Spanish tapas bar owners, it’s French Roquefort cheese that they seem to cherish the most. From Madrid to Bilbao to Seville, Roquefort canapés are a perennial favorite with the crowds. In this easy, elegant Basque pintxo, a Roquefort and apple spread and a sprinkling of toasted walnuts top baked puff pastry squares. (Of course, you could use Cabrales cheese, but Roquefort is, in fact, more Spanish.) The canapés tend to vanish in