Use this filling for our Walnut Cookies.
- 3 ounces (6 tablespoons) unsalted butter, softened
- 1 cup confectioners' sugar
- 1 1/2 ounces (1/2 cup) walnuts, toasted and finely chopped
- Pinch of salt
- 5 ounces semisweet chocolate, melted and slightly cooled
Cream butter and sugar on medium speed until light and fluffy. Beat in walnuts and salt until combined. Beat in chocolate. Use immediately.
SourceMartha Stewart Living, December 2008