In large bowl, with mixer at high speed, beat butter until creamy.
Add honey and vanilla; beat until well blended.
With mixer at low speed beat in flour, walnuts and salt until dough forms. Cover bowl with plastic wrap and refrigerate for at least 1 hour.
Preheat oven to 160ËC. With lightly floured hands, shape dough by heaping teaspoons into balls. Place balls, about 5 cm apart, on ungreased large cooking sheet. Press floured fork across top of the each ball.
Bake at 160ËC for 18-20 minutes, until golden. Remove to cool. Repeat with remaining dough