1.   And veal agnolotti are simply presented little squares of pasta with prosciutto, Parmesan and white truffle butter.

2.   But gourmet products such as white truffle butter were available.

3.   Terrance Brennan at Picholine serves a smashed potato with copious amounts of truffle butter, topped with shaved truffle.

4.   Then there are truffle butter, truffle juice, truffle paste, truffle cheese, truffle pasta and especially truffle oil.

5.   When demi-glace is warm, add truffle butter, and stir until melted.